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Space
For nearly ten years, astronomers have been trying to demonstrate the existence of a massive object thought to be orbiting in the outer reaches of the Solar System. Although the hypothesis is widely debated, a recent study claims that the absence of such a...
Article
08.30.2024
It took hundreds of scientists worldwide, including several CNRS teams, to produce the world’s largest digital camera, the LSST (Legacy Survey of Space and Time), which has finally arrived in Chile. Mounted on the telescope at the Vera C. Rubin Observatory,...
Slideshow
07.12.2024
On 22 June, a Chinese Long March 2C rocket launched the SVOM satellite, carrying two French-designed instruments, into orbit. The mission's goals are to investigate the mechanism of gamma-ray bursts and carry out indirect surveys of the intergalactic...
Article
06.27.2024
Alessandro Morbidelli is a specialist in the evolution and formation of planetary systems, and holds the planetary formation Chair at the Collège de France. The astrophysicist looks back on his career, which has taken him from Italy to the origins of life.
Article
06.20.2024
Article
07.21.2023
Blind since her teenage years, Wanda Diaz-Merced has developed a technique called “sonification” to convert astrophysical signals into sounds. Building on the success of this impressive tool for...
06.08.2023
Located at an altitude of 2,500 metres on the Bure plateau in the Alps, the Noema international observatory is the most powerful radio telescope in the northern hemisphere. Thanks to the data...
Article
04.24.2023
Two separate measurements of the Hubble constant, a parameter that describes the expansion rate of the Universe, have yielded conflicting results. The discrepancy could lead to the overthrow of the...