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MESSENGER in orbit around Mercury : new constraints for gravitation theories
Herschel discovers mature galaxies in the young Universe
Virtual Observatory and Planets
A new theory for the Fast Radio Bursts (FRB)
Light echoes from a Cepheid star yield its distance
Ionized carbon in absorption and emission to better trace the interstellar diffuse gas
GAIA discovers diffuse band (DIB) absorptions and probe the interstellar medium
Ubiquity of interplanetary nanodust particles from Cassini observations
An exoplanet in transit, from visible to X-rays: Venus as a probe
Is the black hole in NGC 1277 really obese?
GAIA: A year of science observations
The jet from a black hole drives multiple winds in a nearby galaxy
Star Formation and Feedback: A Molecular Outflow–Prestellar Core Interaction in L1689N
The THEMIS telescope reveals the fine structure of the magnetic field at the solar surface outside of active regions
Zooming into the skin of the Orion hunter
The Stellar Seismic Indices (SSI) data base
Radio shows from Jupiter seen by Juno
Large reservoirs of cold molecular gas at high-redshift
CTA Releases its Updated Science Case
Does quantum entanglement influence the universality of free fall?
A New Cosmological Ruler to track Dark Energy
The echo of the stellar bar formation in our Galaxy captured by Gaia
Supersonic winds in Titan’s upper atmosphere
Radio emission from a pulsar’s magnetic pole revealed by general relativity
The Cosmic Jellyfish in Norma seen by ALMA
A new constraint on the mass of "graviton"
MICADO, future ELT camera, takes an important step in its design
The surface of the Sun is magnetized
General relativity confirmed using Nançay’s radiotelescope
Discovery of an extrasolar system with two strongly interacting planets
First results of CHEOPS on an extreme exoplanet
Phosphine on Venus : No detected traces in infrared spectra
CHEOPS finds unique planetary system tuned in a chain of Laplace resonances
Cosmological parameters from measurements of the sparsity of galaxy clusters
The paradox of solar polarization finally resolved by a French theory
Solar Orbiter provides its first results
The cosmic web responsible of galaxy transformation
Enlight the dark sector of the Universe with RAYGAL simulations
Shedding new light on planetary chaos
A supermassive black hole kicked out of its galaxy
Accurate measurement of the Sagnac effect for matter waves
The high abundance of heavy elements hidden by dust
A coherent scenario for the Earth-Moon distance evolution
How to measure magnetic fields within binary systems emitting gravitational waves?
Probing the interstellar medium of a very distant galaxy
Radio bursts: from Jupiter to the stars
Cosmic dawn observational progress with NenuFAR
The aurora of Enceladus reveals itself one last time to Cassini
The solar eclipse of April 8, 2024... partially visible in overseas France
GW230529: Observation of the merger of a neutron star and an unknown compact object
Highlights
A naked-eye comet invites itself to the March sky, 2013
Planck: Ever closer to the Big Bang
Discovery of a giant radio galaxy
Comète de mars 2013 : les images et vidéos
Andromeda’s satellite galaxies: the relic of a major merger?
Four powerful salvos from the Sun
Herschel zooms into the vicinity of black hole at the heart of our Galaxy
Big Computation of Universe : the movie
Optical lattice clocks: towards a new definition of the second?
Combined study of a star with its planet : the case of HD52265
The central black hole of our galaxy is the seat of a strong magnetic field
SPIRou : involvement of the Ile-de-France Region
ISON: the comet of the century?
The Herschel conference: an overview of the new discoveries
The fate of comet ISON
Successful launch for Gaia !
FIRST : steps towards direct imagery of exoplanetary systems
A second cometary ring in the surprising exoplanetary system of Fomalhaut
Gaia has arrived!
Wake up Rosetta !
Rosetta and Paris’ Observatory
Rosetta target’s mission
Rosetta : Rosetta’s instruments
Rosetta: The target 67/P
Comets
GAIA first pictures
Progress in understanding solar eruptions
The phase of lithium production in stars identified at last
ROSETTA - First images of the comet 67 P
First light from SPHERE, an exoplanet imager
The CoRoT satellite bows out
HESS-II, an observatory for very high energies, proves its worth
On board Rosetta the MIRO instrument has started to probe comet 67 P/CG
A new model to describe the structure of galaxies
Rosetta : successful rendez-vous with comet 67P/CG !
A temperature of -70°C on comet 67P/CG
Gaia starts its scientific observations
The abundance of lithium measured for the first time beyond our galaxy
Construction of a next generation radiotelescope starts at Nançay
Everything you ever wanted to know about venusian research – a new site
MOONS, the project for a new spectrograph for the VLT
VIRTIS detects water and carbon dioxide in comet’s coma
The Philae has landed, with a bounce and a success of historic proportions!
2015 International Year of the Light in France
In extremis, measurements on a pulsar
Rosetta: ground level images of the comet
Observing the eclipse: safety instructions
Reliving the partial eclipse replay
March 29, 2015: transition to summer time
Headway in mapping extragalactic interstellar organic matter
The galactic clock caught out
Astronomers witnessed a critical step in the formation of stars
The large Nançay radiotelescope is 50 years old
New light on the dark ages of the Universe
Stop on the leap second
Inauguration of the GATE platform in Meudon
Shipped in Chile, GRAVITY was successfully tested
The law of magnetic helicity in the process of confirmation
Construction of the MICADO camera for the E-ELT officially starts
First direct observation of the dust ring of NGC 1068
The September 28th total eclipse of the Moon: up to scratch
The NGC 4013 tale --- a new spiral from a major merger
First discovery of a magnetic delta Scuti star
Comet 67P / Churyumov-Gerasimenko is a binary object
Researchers find ethyl alcohol and sugar in a comet!
October 31, 2015: surprise visit an asteroid!
Old observations in a new light
2 000 exoplanets registered…
First image of the visible photosphere of a star other than the Sun
Paris Observatory wishes you a happy new year 2016
Water-ice provides clues to comet’s evolution
First Cherenkov light "Gamma-ray Cherenkov Telescope"
First critical edition of the work of Copernicus
Just 30 years ago took place the unique overview of Uranus ...
MOSAIC, the Multi-Object Spectrograph of the European Extremely Large Telescope (E-ELT)
Upcoming event visible in France: the solar transit of Mercury
Details about the transit of Mercury .....
Black Hole Fed by Cold Intergalactic Deluge
GRAVITY probing the physics of black holes
An unexpected excess of hot Jupiters within a star cluster
Involvements of the Paris Observatory in Juno mission
MeerKAT : first Light image
Optical fiber: a revolution for the comparison of atomic clocks
The internal structure of the dwarf planet Ceres revealed
The OSIRIS-REx mission launched successfully!
Publication of final data from the CoRoT
A famished black hole masks out a bright galaxy
Novae! lithium factories
September 30th | Rosetta: follow its landing on the comet in real time
The Future of Alpha Centauri A rare opportunity for planet hunting in Alpha Centauri A predicted for 2028
Discovery of a very old binary star
An inertial sensor built by the SYRTE unveils a curious quantum dance
French researchers push forward radio image quality in view of the SKA telescope
ESO’s SPHERE instrument yields high resolution images of protoplanetary discs
November 14th 2016: a super Moon
Studies of the ice on Rosetta’s comet
Study of the water ice on Rosetta’s comet
Study of dry ice on Rosetta’s comet
Nearby ageing star previews the future of Solar system planets
Quantum technologies challenged by microgravity
Proxima bound to Alpha Centauri
Validation of the radio frequency set for the PicSat project
The SuperCam project has successfully passed its CDR and begins integration
Gaia, a siren … for solar system objects
Beyond the appearances: The anatomy of the Orion Jedi revealed by radio-astronomy
The collapse of a cliff reveals the original composition of comet 67P
April 19th 2017: surprise visit of a large asteroid!
Delivery of the qualification model of SuperCam’s IR spectrometer
A huge bright spot on the surface of Betelgeuse revealed by ALMA
September 15th 2017 | End of the Cassini mission
Alain Brillet et Thibault Damour, 2017 CNRS gold medallists
Focus on 40 years of observation with the Nançay decameter array
4th Oct. 2017 | 40th anniversary of the Nançay decameter array
October 12th 2017, the asteroïd 2012 TC4 will cross the Earth’s orbit
MOSAIC for the ELT: A Gigantic Step into the Deep Universe
A series of super Moons !
The slow rotation of the red supergiant Betelgeuse
Launch of a French nanosatellite to solve the Beta Pictoris mysteries
Hello Earth? PicSat calling…
January 31st 2018: 3 facettes for one full Moon
C
2
ERES : how to be prepared for tomorrow’s space exploration?
ESA’s green light for the ARIEL mission
Calibration campaign for SuperCam - Mars
Close monitoring of the path of the Chinese space station
Solar tornadoes are not tornadoes !
What does a Cherenkov telescope look like? Find out via pictures.
AU Microscopii and its mysterious waves…
Hayabusa2 has reached its target, the asteroid Ryugu
SPHERE discovers its first protoplanet
A unique data set for ten solar cycles
The perihelic opposition of Mars
The longest lunar eclipse of the century
SuperCam: delivery of the IR spectrometer flight model
Energetic lightshow at Saturn’s north pole
Milky Way churned up by galactic fender bender
Confirmed, a universal law opens perspectives for exoplanets
Discovery of a second non-carbon star in the Galaxy
Passage of a very bright bolide in the French sky
Most Detailed Observations of Material Orbiting close to a Black Hole
Transparent ice on Mars!
Muquans validates its quantum gravimeter
ALMA and MUSE Detect Galactic Fountain
When GALILEO confirms Einstein’s predictions
Comet Wirtanen in the December 2018 sky
Record breaking performance for a cold atom inertial sensor
The January 21st 2019 total eclipse of the Moon in picturers
CTA: the american prototype, with the same technology as the Meudon model
The Large Magellanic Cloud is 1,53 billion km away
Storm on an exoplanet
A new laser to measure carbon dioxide
Spring on Pluto: an analysis over 30 years
The Cassini Division: a potential evidence for Saturn’s moons internal oceans
Gaia has discovered 3 new asteroids
Comet Provides New Clues to Origins of Earth’s Oceans
The solar eclipse of 1919 reappears in the archives of the Observatoire de Paris!
In Ardèche, hunting meteorites
The Cosmic Snake reveals huge molecular clouds
Ane Aanesland, CNRS 2019 medalist for innovation
Giant bubbles discovered close to the center of the Milky Way
Selenography: 350 years of lunar mapping
Inauguration of NenuFAR, a radiotelescope unlike any other in the world
Is climate being taught the way it should in France?
Solar Orbiter on the way to Cape Canaveral
First ever satellite using iodine propulsion
The first detection of very high energy gamma ray bursts
The mystery of the origin of the stellar halo of our Galaxy is being revealed
First discoveries of the Parker Solar Probe mission
LOFAR pioneers new way to study exoplanet environments
BepiColombo flies over the Earth
A new camera to track traces of life on Mars
The ELT will be the largest telescope ever built...
Waltzing with the black hole at the center of our galaxy
Two CNRS Crystal Medal winners
Signs of a planet forming around the star AB Aurigae
Presentation of the Charles Defforey Foundation Scientific Grand Prize
Link established with emerging microbial activity on the primitive Earth
Nanosatellites also make it possible to do science
The solar eclipse of June 21, 2020
Solar Orbiter’s first views of the Sun
Aerographite: a promising material for photonic sails
Major contribution of Paris Observatory to SuperCam on Mars2020
NEOWISE, bright comet visible to the naked eye
Mars2020: a successful launch!
The Paris Observatory - PSL, partner of the exhibition "Science in Meudon".
Stellar winds observed with unprecedented detail
Jupiter and Saturn meet in the sky
Record laser link: if Einstein was right ...
Where do fast radio bursts come from?
Landing of Perseverance: at the Paris Observatory - PSL, we are getting ready
NEAR : in search of telluric planets in the Alpha system of the Centaurus
SPHERE, twenty years of challenges and successes
Successful test phase for the French SuperCam instrument on the Perseverance rover
Towards a new generation of non-destructive quantum cold atom detectors
New visit of the asteroid 2001 FO32
How to find the geographic North on Mars?
The asteroid Apophis observed for the first time by stellar occultation
Live on June 10, 2021: the solar eclipse
ESA gives green light to EnVision mission
Passage of a bolide in the French sky this Sunday September 5, 2021
WEAVE: weaving optical fibers to explore the cosmos
The comet 67P/ Churyumov-Gerasimenko is indeed a binary object !
Radio signals from dwarf stars detected: indicators of hidden planets?
Birth of a new meteor shower: "Les Arides"
The most prominent asteroids in our Solar System
The James Webb Space Telescope explained by those who made it
C/2021 A1 Leonard, the comet of the year?
Exoplanets, new frontiers to explore for the James Webb Space Telescope
Video: understanding how the Webb Telescope observes exoplanets
Discovery of the less "metallic" stars of the Milky Way
Green light from ESA for the continuation of the PLATO mission
The first small bodies of the Solar System formed in two distinct rings
Birth of future planetary systems in a double star
France participates in Nasa’s Dragonfly mission to explore Titan
30 exocomets discovered in a young planetary system
Methane on a temperate mini-Neptune?
Dynamics of the binary asteroid (379) Huenna
Publication of the third Gaia catalog
The historical talking clock leaves its place to the heurelegalefrancaise.fr website
The Webb Space Telescope reveals its first images
The NenuFAR radio telescope launches its first international call for observations
Unexpected details of Jupiter revealed by the Webb Space Telescope
A slow recovery for the star Betelgeuse
The James Webb Telescope delivers its first images of an exoplanet
The impact of DART on Dimorphos followed by the Paris Observatory - PSL
SWOT: a satellite to map the Earth’s water cycle
Time transmission from Paris to Turin by optical fiber
Discovery of a rare binary star
Why does the heart of the stars rotate less quickly than expected?
Observing comet C/2022 E3 (ZTF)
Detection of small planets around red dwarf stars
A fragment of asteroid 2023 CX1 found in Normandy
How fast are the stars in the galaxy moving away from or toward you?
Possible discovery of a dust plume emitted by an extrasolar comet
JUICE: Contributions from Observatoire de Paris - PSL
Geological evidence of Mercury’s chaotic orbit
ELT: MICADO enters the manufacturing phase
Towards more precise atomic clocks with quantum entanglement
Methyl cation (CH3+) detected for the first time in space
The loss of brightness of Betelgeuse as seen by the Matisse instrument at the VLTI
First SKA-Low bricks in Australia
First detection of a 52-proton heavy element in a stellar merger
A radically new view of dwarf galaxies surrounding the Milky Way
The eventful history of the Milky Way
10th anniversary of Gaia satellite launch
Astrometry, mapping and distance scales in the Universe
The solar system
Singular and multiple stars
The icy surface of Ganymede as seen by the James Webb Space Telescope
Chance discovery of a massive "starless" galaxy
ESA approves EnVision mission!
Lunar chronology revised by bombardment heterogeneity
LISA mission approved by ESA
Green light for Carioqa space mission
Serendipitous discovery of a bizarre pulsar, named PARROT
Is it raining rocks on WASP-43 b?
Triton atmospheric pressure: a new value is obtained
Facts about comet 12P/Pons-Brooks
News : teaching
L1 Paris Sciences et Lettres : Live report from the domes…
Reception for the FsU
“The Stars”
December 18th | Françoise Combes inaugural lecture, Professor at the College de France
On line opening of the Paris Observatory’s first MOOC
April 4th 2016 | Start of the second session of the MOOC "Weighing the Universe"
The Paris Observatory: another kind of School
14th May 2018 | The Paris Observatory launches a new MOOC
The Paris Observa-tory launches a new MOOC
Open enrolment: University degree in Exploring and Understanding the Universe
Women in Science Mentoring Program PSL
Public talks
Archives des conférences
Conférences 2013
Open spring session of scientific culture
Journey through the Universe from its origins to today
" Interdisciplinarity and latest news of the Universe anticipated"
Conférences 2014
Spring open session 2014 of scientific culture
Latest news of the Universe
Conférences 2015
The epic Cassini / Huygens, 10 years of exploration of Saturn
Spring open session 2015 of scientific culture
Conférences 2016
conférences 2017
conférences 2018
November 26, 2018: InSight lands on Mars
conférences 2019
conférences 2020
conférences 2021
Conférence 2022
Exhibitions and information
Transit of Venus 5th-6th of June 2012
Nuits des planètes – Planetary Nights 2012, at the Observatoire de Paris : a first rate vintage
Celebration 1712 - 2012 Tribute to Jean-Dominique Cassini
Open session of scientific culture of the International School Daniel Chalonge "The latest news from the Universe"
Exhibition "Discover New Worlds. The space mission CoRoT"
Two exhibitions at the Paris Observatory
Exhibition: Gaia, the deep sky
On sale, March 5th 2015
30 to 31 May | The Paris Observatory partner of "Mysterious Lights"
June 18, 2015 | an exhibition on the railings of the Paris Observatory
June 27, 2015 | Exhibition "Comets" at the Museum of Air and Space
Cycle 1915-2015: the odyssey of space-time
The Paris Observatory, a scientific partner play
The Paris Observatory, partner to the First Light exhibition
New: a benchmark site for comets
Dimanche 18 sept | Portes ouvertes à la station de radioastronomie de Nançay
The 170 years of the discovery of Neptune
The Paris Observatory: partner of the Space Caravan in Morocco
Meet our sky researchers
340 years ago, Rømer showed that light has a finite speed
Contest "Instant scientist with the Cassini probe"
March 7th ... 1667: acquisition of land for the Observatory
May 3rd 2017 | Poetry and the Universe
June 17th 2017: The astronomers go to another dome
French Astrophysics Week
The Sun Eclipse of August 21, 2017
October 2nd 2017 | Public inauguration of the Arago statue
A new mobile exhibition available : Comets !
An international astronomical dictionary for sign language
"L’astronomie se la raconte" : exhibition available for loan
350 years of astrometry at the Paris Observatory
May 16th 2018 | The UNESCO International Day of Light
Friday, July 12, 2019: Observe the Moon!
Do not miss Mercury on November 11, 2019
January 18, 2020 | Nuit de la Lecture
Listen to our scientists on the Ciel & Espace podcasts.
Paris Observatory Astronomers Week - PSL
Océane Barraud, doctoral student ambassador of the official Fête de la science comics
Live the landing of Perseverance, the new Martian astromobile!
The solar eclipse of June 10, 2021 : the replay
Summer 2021: on the road to astronomy festivals in France
Paris Observatory - PSL participates in the Fête de la science 2021
Webdocu: "The hidden face of French astronomical observatories
Paris Observatory - PSL, partner of the Explor’Espace Festival of the AFA
Paris Observatory - PSL, partner of the astronomy festival Rencontre en Ciel Pur in Saint Véran
"De la plage aux étoiles" Festival 2022
Mythical piece, the astrarium is exhibited at the Musée des Arts et Métiers
Paris Observatory - PSL, partner of the Star’s up Festival in Meudon
Paris Observatory - PSL participates in the Fête de la science 2022
A partial eclipse of the Sun visible in France on October 25, 2022
December 8, 2022: Live broadcast of the occultation of Mars by the Moon
Paris Observatory, partner of "La science se livre" 2023
Three centuries of women astronomers : Nicole-Reine Lepaute
Three centuries of women astronomers: Louise Dupiery
Three centuries of women astronomers: Marie-Jeanne Lefrançois-de Lalande
Three centuries of women astronomers: Dorothea Klumpke
Three centuries of women astronomers : Edmée Chandon
Three centuries of women astronomers : Marguerite Roumens
Three centuries of women astronomers : Jeanne Clavier
Three centuries of women astronomers : Renée Canavaggia
L’Observatoire de Paris - PSL, partner of the operation "La Guyane vers Jupiter
Double.Science: the festival of scientific popularization
opean Heritage Days 2023
Observatoire de Paris - PSL, partner of the Star’s up Festival in Meudon, France
Observatoire de Paris - PSL takes part in Fête de la science 2023
Together, let’s celebrate the dark night and the starry sky
Observatoire de Paris - PSL, partner of the Explor’Espace 2023 Festival
Observatoire de Paris - PSL, partner of the exhibition "Prendre le soleil"
Observatoire de Paris, partner of "La science se livre" 2024
Discover: the "Exploring the infinitely..." exhibition.
Three centuries of women astronomers
To review: Women in astronomy and astrophysics
A word from the President: go girls!
Parisian streets named after women astronomers
The Eiffel Tower, transmitting scientific culture to women
2nd Provence Astronomy Festival
Administrative news
Eric Gourgoulhon, CNRS silver medallist
The Joseph Fourier prize 2012 awarded to the Dark Energy Universe Simulation DEUS team of the Observatoire de Paris
The Academy of Sciences Descartes-Huygens prize has been awarded to François Hammer of the Paris Observatory
Launch of a charter for gender parity in the academic world
Numérisation de périodiques scientifiques : appel à ayants-droits
European prizes : awarded to two female resarchers from Observatoire de Paris
Two prizes for French astrophysics
The Eclipse: an opportunity to increase science awareness in Africa
Two blockbuster theses involving a compact gravimeter project
Best Wishes 2014 !
CNRS medallists, 2014
The Paris Observatory awards its Doctor Honoris Causa for 2014
The Paris Observatory winner of the 2014 Cap’Com prize
Best wishes for 2015
Observatoire de Paris: solidarity with Charlie Hebdo
Claude Catala re-elected as head of the Paris Observatory
two vice-presidents re-appointed
The memory of Jean-François Denisse honored by his peers
Science Grand Prix 2015 of the Simone and Cino del Duca Foundation
The 2015 Treasures of the Library of the Paris Observatory
Death of Jean-Louis Steinberg, astronomer at the Paris Observatory
Inauguration of the Saint-Véran "Maison du Soleil"
PSL: The fashion collection of the EnsAD photographed at the Paris Observatory
The Paris Observatory partner of the Jupiter evening at the Cité de l’Espace
CoRoT Legacy day September 30th Paris Observatory
The 350th anniversary site
In homage to Michel Combes (1939-2017)
Signature of a basic agreement for Franco-Australian cooperation
Call to rightful owners: digitization of publications from observatories in the provinces
Ceremony and lecture – Gothenburg Lise Meitner Award 2017
Alain Fuchs elected president of Paris Sciences & Lettres (PSL)
Françoise Combes receives the Janssen Prize
Nicolas Biver and Denis Savoie awarded by the Academy of Sciences Arago medal
NASA Silver Achievement Medal awarded to Antonella Barucci
Three scientists awarded the 2017 LNE research prize
Paris Observatory wishes you a Happy New Year
Pierre Kervella awarded the 2017 "La Recherche" Prize
Martin Pertenaïs awarded the 2018 MERAC prize
Edmée Chandon, the first French woman astronomer
Guillaume Voisin, awarded the IAU 2017 prize for the best thesis
Inauguration of PSL’s space technological complex
French consortium joins SKA organization
Signature of a Memorandum of Collaboration between ESA and PSL
Cosmic radiation under world-wide surveillance
Paris Observatory wishes you a Happy New Year 2019
Guy Perrin, winner of the 2019 award of the journal « La Recherche »
Université PSL opens a satellite office in Australia
Bourses ERC : projet lauréat à l’Observatoire de Paris
Call to the interested parties: digitization of works and its transmission
Michel Mayor et Didier Queloz, 2019 physics Nobel prize winners
Océane Barraud, laureate of the contest "Chronothesis: my thesis in 5 minutes"
Winner of the 2019 Prize "Sciences de l’Univers" of the Academy of Sciences
Alexandre Le Tiec, awarded the 2019 CNRS bronze medal
The 2019 Academy of Sciences History of Science Laureat
Paris Observatory wishes you all the best for 2020...
COVID-19: Closure of Observatoire de Paris - PSL
ERC 2020 grants: winning project at the Paris Observatory
Covid - 19: the gesture of solidarity with astrophysicists
The CNRS 2020 Innovation Medal
Call for rights holders 2020
Two winners of the L’Oréal-UNESCO 2020 Young Talent Awards
Reinhard Gentzel, Nobel Prize in Physics 2020
An ERC grant to grasp the true scale of the Universe the true scale of the Universe
Sustainability of PSL University
Paris Observatory wishes you all the best for 2021...
The Paris Observatory, partner of "La science se livre".
Paris Observatory - PSL welcomes France’s wish to integrate SKAO
23rd Edition of the L’Oréal-Unesco International Prize for Women in Science
An ERC Advanced grant to study radio emissions from exoplanets
A historic step with the accession of France to SKAO
PSL is the only European university in the world’s top 5 young universities
French high school students awarded at the European EUCYS competition
Nour Skaf receives the "L’Oréal-UNESCO Prize for Women in Science - Young Talents
Stop gender-based and sexual violence
The Paris Observatory - PSL wishes you all the best for 2022...
They make PSL: International Day of Women and Girls in Science 2022
The Paris Observatory - PSL in solidarity with Ukraine
Award for the free software Gammapy
The eco-responsible policy
Sébastien Bize wins the European Frequency and Time Award
SuperCam scientists awarded by the Astronomical Society of France
Guy Perrin receives the Fizeau 2020 prize
Death of François Spite, star scout
Françoise Combes, winner of the American Karl Jansky Prize 2022
Paul Ramond, winner of the Jürgen Ehlers thesis prize
Berkeley 2023 award recognizes Gaia collaboration
PSL University comes out of its experimental period
Pierre Kervella, co-winner of the Marie and Pierre Curie Prize of the Academy of Sciences
Observatoire de Paris - PSL wishes you a Happy New Year 2023
Guy Perrin, elected member of the Academy of Sciences
Françoise Combes elected vice-president of the Academy of Sciences
IAU Symposium 379 "Dynamical Masses of Local Group Galaxies
Daniel Rouan becomes the new president of the Société Française de Physique
Isabelle Bualé receives the CNRS Crystal Medal 2023
Athena Coustenis receives the EGU Jean Dominique Cassini 2023 medal
Iva Laginja awarded the Olivier Chesneau 2023 prize
In memory of Christian Bordé
2023 Academy of Sciences Laureates
Thierry Célérier - Femmes & Sciences" award 2023
Benjamin Charnay receives the Young Researcher Award from the French Exobiology Society
Winner of the 2024 EGU Young Researcher Medal
ECLAT, a joint laboratory for astronomical instrumentation
Observatoire de Paris - PSL wishes you a Happy New Year 2024
Thomas Widemann elected to the International Academy of Astronautics
Our scientists in the spotlight in 2023
A strong commitment to inclusion: the "Thierry Célérier - Femmes & Sciences" prize
Benjamin Charnay, CNRS bronze medallist 2024
March 8, 2024: Operation #poppies!
Mohammad Farhat wins double award for his celestial mechanics thesis
Laura Bernard, winner of SF2A’s 2024 "Young Researcher" award
Observatoire de Paris - PSL, partner of a comic book collection published by Glénat.
Thesis and Capacitance to Direct Research (HDR) viva voces
Soutenances HDR
Capacitance to Direct Research (Soutenances HDR) viva voces
This month’s sky
Archives du ciel du mois
The sky in January 2013
The sky in February 2013
The sky in March 2013
The sky in April 2013
The sky for the month of May 2013
The sky for the month of June 2013
The sky for the month of July 2013
The sky for the month of August 2013
The sky for the month of September 2013
The sky for the month of October 2013
The sky for the month of November 2013
The sky for the month of December 2013
The sky for the month of January 2014
The sky for the month of February 2014
The sky for the month of March 2014
The sky for the month of April 2014
The sky for the month of May 2014
The sky for the month of june 2014
The sky for the month of July 2014
The sky for the month of August 2014
The sky for the month of September 2014
The sky for the month of october 2014
The sky for the month of november 2014
The sky for the month of december 2014
The sky for the month of January 2015
The sky for the month of febuary 2015
The sky for the month of march 2015
The sky for the month of april 2015
The sky for the month of may 2015
The sky for the month of june 2015
The sky for the month of july 2015
The sky for the month of august 2015
The sky for the month of september 2015
The sky for the month of october 2015
The sky for the month of november 2015
The sky for the month of december 2015
The sky for the month of january 2016
The sky for the month of february 2016
The sky for the month of march 2016
The sky for the month of april 2016
The sky for the month of may 2016
The sky for the month of june 2016
The sky for the month of july 2016
The sky for the month of september 2016
The sky for the month of october 2016
The sky for the month of november 2016
The sky for the month of december 2016
The sky for the month of january 2017
The sky for the month of february 2017
The sky for the month of march 2017
The sky for the month of april 2017
The sky for the month of may 2017
The sky for the month of june 2017
The sky for the month of july 2017
The sky for the month of august 2017
The sky for the month of september 2017
The sky for the month of october 2017
The sky for the month of november 2017
The sky for the month of december 2017
The sky for the month of march 2018
The sky for the month of april 2018
The sky for the month of may 2018
The sky for the month of june 2018
The sky for the month of july 2018
The sky for the month of august 2018
The sky for the month of september 2018
The sky for the month of october 2018
The sky for the month of november 2018
The sky for the month of december 2018
The sky for the month of january 2019
The sky for the month of february 2019
The sky for the month of march 2019
The sky for the month of december 2019
The sky for the month of apil 2019
The sky for the month of may 2019
The sky for the month of june 2019
The sky for the month of july 2019
The sky for the month of august 2019
The sky for the month of september 2019
The sky for the month of october 2019
The sky for the month of november 2019
The sky for the month of february 2020
The sky for the month of march 2020
The sky of October 2020
The sky of the month of November 2020
The sky of the month December 2020
The sky of the month january 2021
The sky for the month of february 2021
The sky for the month of april 2021
The sky for the month of may 2021
The sky for the month of june 2021
The sky of July 2021
The sky of September 2021
The sky of october 2021
The sky of november 2021
The sky of december 2021
The sky of the month january 2022
The sky of the month february 2022
The sky of the month march 2022
Press corner
Final Agreements Signed for CTA’s Southern Hemisphere Site in Chile
Press releases
PSL establishments and the immigration bill
Presence of a "young" ocean under the Mimas ice sheet
JWST witnesses the destruction of the equivalent of an ocean every month in space
Bruno Sicardy, winner of the Prix Jules Janssen 2023
France delivers MIRS infrared imaging spectrometer for Japanese MMX space mission
Discovery of a record-mass stellar black hole in our Galaxy
Invitation Presse
Press invitation: the technological complex for PSL’s space effort
Escape into the Milky Way with the publication of Gaia’s EDR3 catalog
Quelques images de l’Observatoire de Paris
Supports de communication
Magazine