Current research
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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...
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...
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...
News from the labs
Published on 21 January 2025
Monster shocks at the origin of fast radio bursts
A new mechanism involving the production of coherent radio wave emission is proposed to explain the origin of fast radio bursts. In a full-length article in...
Highlights
Published on 20 January 2025
Have we discovered the smallest extra-solar planet?
Using pulsar timing techniques at the decimeter radio telescope of the Nançay Radio Observatory, an international team comprising researchers from CNRS,...
Highlights
Published on 16 January 2025
Gaia satellite ceases observations
January 15, 2025 marks the end of scientific observations by ESA’s Gaia satellite, after 3,827 days spent measuring... almost two billion objects in our...
Highlights
Published on 14 January 2025
CTAO becomes a European Research Infrastructure Consortium
Preparations for the Cherenkov Telescope Array Observatory (CTAO) reached a crucial milestone on January 7, 2025, when the European Commission awarded the...