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Press releases

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Published on 14 April 2025

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...
Published on 21 January 2025

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...
Published on 3 December 2024

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 -...
Published on 11 July 2024

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...
Published on 24 June 2024

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...
Published on 16 April 2024

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...
Published on 16 April 2024

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...
Published on 29 March 2024

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...
Published on 29 February 2024

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...
Published on 29 February 2024

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...