Current research
Page 1 - results 1 to 10
Highlights
Published on 13 June 2025
Towards a new definition of the second thanks to a global network of atomic clocks
Published on June 12, 2025 in the journal Optica, an international study presents the simultaneous comparison of ten optical clocks in six countries, via...
Highlights
Published on 21 May 2025
Thirty years of Franco-Ukrainian cooperation in radio astronomy recognized by the Ukrainian Academy of Sciences
For over three decades, teams at Observatoire de Paris-PSL have been working closely with the Kharkiv Institute of Radio Astronomy (IRA) in Ukraine. This...
News from the labs
Published on 19 May 2025
Winds, Jets, and Wigglings from Young Stars and Their Disks
An international team of astronomers, including one researcher from Paris Observatory, has observed with the James Webb Space Telescope (JWST) to discover...
Highlights
Published on 15 May 2025
60 years of observing the cosmos: the Grand Radiotélescope de Nançay, a giant still at work
May 14, 2025 marks the 60th anniversary of the Grand Radiotélescope at the Observatoire Radioastronomique de Nançay (ORN). Inaugurated in 1965 by General de...
Highlights
Published on 30 April 2025
PHARAO successfully launched
On Monday April 21, 2025, PHARAO (Projet d’Horloge Atomique par Refroidissement d’Atomes en Orbite - Atomic Clock by Cooling Atoms in Orbit) became the first...
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...