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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...
Highlights Published on 8 January 2025

Franco-Dutch team wins third SKAO Data Challenge

The international DOTSS-21 team, comprising researchers from France’s CNRS Terre & Univers (Observatoire de Paris, ENS) and the Netherlands (Kapteyn...
Administrative news Published on 19 December 2024

Françoise Combes elected head of the French Academy of Sciences

Françoise Combes, an astrophysicist at the Observatoire de Paris - PSL and Professor at the Collège de France, was elected President of the Académie des...
Highlights Published on 18 December 2024

How to reveal the atmosphere of an exoplanet: the case of TRAPPIST-1 b

Recent observations highlight the challenges involved in confirming the presence of an atmosphere on an exoplanet from thermal emission data alone. Conducted...
Administrative news Published on 3 December 2024

Budget 2025: Universities in Danger

On Thursday, November 21, 2024, the Presidents alerted the Minister to the untenable financial situation of universities, a consequence of the national...
Press releases 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 -...
Highlights Published on 29 November 2024

Young stars discovered in spheroidal dwarf galaxies surrounding the Milky Way

Using data from ESA’s Gaia satellite and observations from ESO’s Very Large Telescope (VLT), a research team from CNRS Terre & Univers and Paris...
Highlights Published on 15 November 2024

Unexpected discovery of a link between black hole jets and their host galaxies

In our study published today, November 14, 2024, in the journal Nature Astronomy we demonstrate that there is a connection between the near region of a black...
Exhibitions and information Published on 31 October 2024

Observatoire de Paris - PSL at the Rencontres du Ciel & de l’Espace 2024

Scheduled to take place at the Cité des sciences et de l’industrie from 9 to 11 November 2024, the French Astronomy Association is organising a series of...
Highlights Published on 14 October 2024

Starlink satellites: a threat to astronomical observations

A new study published online on September 18, 2024, in the journal Astronomy and Astrophysics, involving scientists from Observatoire de Paris - PSL...