Press releases
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Primitive meteorites: a new study explains why they are so rare on Earth
While space missions such as OSIRIS-REx and Hayabusa2 bring back samples of carbon-rich asteroids, one question still puzzles scientists: why do we find so...
Astrophysics of the future: Observatoire de Paris-PSL, CNRS and their partners ready to take up the challenge
Observatoire de Paris - PSL and CNRS, along with their partner universities and organizations, are adopting a new scientific organization at the start of...
A new theory to explain the origin of water on Earth
A team led by an astronomer from Observatoire de Paris - PSL at the Laboratoire d’études spatiales et d’instrumentation en astrophysique (LESIA -...
First evidence of a super-earth ocean
Thanks to the James Webb Space Telescope, a team of French planetary scientists, including a CNRS researcher from Observatoire de Paris - PSL, in...
First observation of brown dwarfs very close to their host stars
In France, the scientists involved are CNRS, Université Grenoble Alpes and Observatoire de Paris - PSL [1] have observed brown dwarfs orbiting very close to...
France delivers MIRS infrared imaging spectrometer for Japanese MMX space mission
On April 5, 2024, the flight model of the MIRS (acronym for MMX InfraRed Spectrometer) instrument was officially delivered, under the responsibility of...
Discovery of a record-mass stellar black hole in our Galaxy
By mining raw data from the European Gaia satellite, the DPAC collaboration has uncovered the existence of a stellar-type black hole whose record mass belies...
Bruno Sicardy, winner of the Prix Jules Janssen 2023
On Wednesday April 10, 2024, the Société Astronomique de France will award the Prix Jules Janssen 2023 to Bruno Sicardy, Professor at Sorbonne University and...
JWST witnesses the destruction of the equivalent of an ocean every month in space
An international team involving French scientists1 from Université Paris-Saclay, Université Toulouse III - Paul Sabatier, the joint laboratory INCLASS...
Presence of a "young" ocean under the Mimas ice sheet
It’s confirmed! Mimas, one of Saturn’s small moons, contains a global ocean of liquid water beneath its icy surface. What’s more, the ocean’s appearance...