News
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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
To celebrate Journées européennes du patrimoine, the Observatoire de Paris - PSL will be opening the doors to its two campuses in the Île-de-France region,...
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...
News from the labs
Published on 3 July 2026
A system of at least six exoplanets revealed after ten years of observations
An international team, including scientists from the Paris Observatory - PSL at the Time-Space Laboratory, has spent ten years studying an exceptional...
Administrative news
Published on 26 June 2026
UAI Doctoral Prize 2025: an international honour for Antonin Wargnier
On 25 June 2026, the International Astronomical Union (IAU) announced the winners of its 2025 Doctoral Prizes, which recognise young astronomers from around...
Highlights
Published on 24 June 2026
The interstellar comet 3I/ATLAS, a messenger from the far reaches of our galaxy
An international team, including three researchers from the Paris Observatory - PSL, published a major study on Comet 3I/ATLAS - the third interstellar...
Highlights
Published on 22 June 2026
First light in the laboratory for the French AIRS instrument on the ARIEL mission
Under testing since March 2026 at the Paris Observatory - PSL, the French AIRS spectrometer for the future ARIEL telescope has successfully reached a crucial...
Administrative news
Published on 16 June 2026
The Paris Observatory - PSL welcomes the selection of the Plasma Observatory mission by ESA
The Paris Observatory - PSL welcomes the recommendation issued on June 11, 2026, by the ESA Science Program Committee in support of the Plasma Observatory...
Highlights
Published on 4 June 2026
France becomes a full member of the SKA Observatory
France has officially become the 14th member state of the Square Kilometre Array Observatory (SKAO), the intergovernmental organisation building and...