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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...