News
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Press releases
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...
Highlights
Published on 8 April 2025
A new day on Uranus
Using the aurora of Uranus as a celestial clock, a team led by Paris Observatory - PSL has tackled a decades-old problem: redefining the rotation speed of...
Administrative news
Published on 8 April 2025
Guy Perrin awarded the CNRS Executive Medal of Honor
On March 10, 2025, Guy Perrin, researcher at LIRA (Observatoire de Paris - PSL), was awarded the médaille d’honneur des cadres for his commitment as deputy...
Administrative news
Published on 4 April 2025
Isabelle Bualé receives the Suzanne Bella Srodogora 2024 Prize
One year after the CNRS Crystal Medal, Isabelle Bualé receives the CNRS Foundation’s Prix Bella Srodogora, for the 2024 edition.
Administrative news
Published on 2 April 2025
Observatoire de Paris-PSL joins the 2nd Stand Up For Science Day on April 3
Since Donald Trump came to power, American universities and scientific institutions have been facing an unprecedented offensive, exacerbating threats already...
Highlights
Published on 20 March 2025
World Water Day... how about a look into space?
Every year, World Water Day reminds us how precious this resource is on our planet. But its story is not limited to Earth! Water also intrigues astronomers,...
Highlights
Published on 20 February 2025
Researchers discover hidden treasures in MeerKAT’s archive of observations
An international team of researchers, including scientists from Observatoire de Paris - PSL, Rhodes University’s Centre for Radio Astronomy Techniques and...
Administrative news
Published on 7 February 2025
When the passion and collective strength of Paris Observatory restore sight to its Grande Lunette.
After two years of hard work, the "Grande Lunette et Grande Coupole de Meudon" (G3TLC) working group, in collaboration with Observatoire de Paris-PSL...
Highlights
Published on 3 February 2025
The mass of the Andromeda galaxy is revised downwards
Using the most sophisticated dynamical model of the Andromeda galaxy and of its past history, a team led by an astronomer from the LIRA at the Paris...
Press releases
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...