News
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Exhibitions and information
Published on 2 October 2026
Friday 9 October, look up: a laser will link Meudon to Paris
To celebrate the 100th anniversary of the union of its Paris and Meudon sites, the Paris Observatory - PSL is firing a laser beam between its two domes. Join...
Exhibitions and information
Published on 25 September 2026
The Paris Observatory - PSL, a partner of the 2026 Star’s Up Festival in Meudon
For its 8th edition, the Star’s Up space festival will take place at Hangar Y in Meudon on Saturday, September 26, and Sunday, September 27, 2026. Come meet...
Exhibitions and information
Published on 21 September 2026
Observatoire de Paris - PSL participates in Fête de la science 2026
The Paris Observatory – PSL is taking part in the Fête de la Science by opening its Meudon site to the public on an exceptional basis on Saturday 10 October...
Highlights
Published on 14 September 2026
BepiColombo: Separation of the MTM Transfer Module After an 8-Year Journey
On its way to Mercury, the BepiColombo spacecraft reached a major milestone on September 3, 2026: the separation, more than 200 million kilometers from...
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...