News
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Press releases
Published on 9 September 2026
The “pocket rings“ of the small body Chariklo are evolving
Discovered in 2013, the two pocket rings of the small body Chariklo now show signs of evolution in their structure and opacity. This discovery was made...
Exhibitions and information
Published on 4 September 2026
Understanding the roundness of the Earth using a virtual reality headset app
Since 28 July 2026, the Space Department of the Time-Space Laboratory at the Paris Observatory – PSL invites you to discover – through the app it has...
Press releases
Published on 3 September 2026
First light for the VLT’s MOONS spectrograph in Chile
Le spectrographe MOONS vient de franchir avec succès une étape majeure : ses premières observations, réalisées cet été au Very Large Telescope (VLT) de l’ESO...
News from the labs
Published on 1 September 2026
The fastest star in the Milky Way orbits so close to our supermassive black hole that it feels its rotation
Thanks to the performance of GRAVITY+, the VLTI instrument in Chile, and new analytical methods developed in part at the Paris Observatory – PSL, an...
Administrative news
Published on 18 August 2026
Contribute to the advancement of research on the Universe
By supporting the Observatoire de Paris-PSL through the taxe d’apprentissage, you are playing an active role in the development of astronomical research and...
Press releases
Published on 28 July 2026
Visual proof: Betelgeuse does have a companion star
An international team led by an astronomer from Paris Observatory – PSL, involving scientists from the CNRS, Université Grenoble Alpes and the Côte d’Azur...
Highlights
Published on 20 July 2026
Discovery of a Third Planet Orbiting the Star β Pictoris
Using ESO’s VLT and the James Webb Space Telescope, an international team—including researchers from the Paris Observatory - PSL—has achieved the feat of...
Exhibitions and information
Published on 17 July 2026
The Observatoire de Paris - PSL is participating in the Journées européennes du patrimoine 2026
On the occasion of the European Heritage Days, the Paris Observatory – PSL is opening the doors of its two sites in the Paris region in turn. On Saturday,...
Highlights
Published on 9 July 2026
An unknown spectral signature detected on the surfaces of Titan and Pluto
An international team led by two researchers from the Paris Observatory - PSL has identified a mysterious spectral signature on the surfaces of Titan and...
Administrative news
Published on 3 July 2026
Paris Observatory joins Asteroids2029, the global initiative for the United Nations International Year of Asteroid Awareness and Planetary Defence
On the weekend of June 27, Damya Souami, Research Scientist at LIRA, represented Paris Observatory at an international meeting held in Luxembourg by the...