To celebrate the 10th anniversary of Rosetta's arrival at Comet 67P — the first comet that a spacecraft orbited and landed on ...

An international team led by astronomers at Leiden University has shown in laboratory experiments that sulfur can bind with ...

For years, astronomers and astrochemists have puzzled over two big mysteries in space. First, they noticed that dense clouds ...

Averaged over 150 measurements collected by ESA's Rosetta mission during the spacecraft's 2014 rendezvous with Comet 67P, the D/H value was roughly three times Earth's. The researchers interpreted ...

The Rosetta mission and others have shown just how ubiquitous ... The inventory of small organic molecules that Rosetta detected so far in comet 67P mostly lines up with what scientists would ...

The mission consisted of the Rosetta orbiter and the Philae lander. The probes were launched on 2 March 2004, travelled 6.4 billion kilometres in 10 years and, with the help of a few planet swing-bys, ...

New research indicates that the water on Comet 67P/Churyumov–Gerasimenko has a molecular signature closely matching that of water found in Earth's oceans. This discovery revives the possibility that ...