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...
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...
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...
The “Sanctuary on the Moon” project, launched nearly ten years ago, aims to send a collection of discs containing a vast body of knowledge and material evidence of human civilisation to the Moon.
The recent discovery of a binary system containing an extremely rare object, the most massive black hole (apart from SgrA*) ever detected in our Galaxy, calls into question the models for the...