[Photo/Xinhua] Chinese scientists have attributed the sudden movement of a boulder on the surface of a comet to ... close flyby and observation of the comet 67P from 2014 to 2016.

Comet 67P/Churyumov-Gerasimenko as seen by the European Space Agency’s Rosetta spacecraft in March 2015. Comet 67P was the first comet ever known to emit molecular oxygen, a molecule rarely ...

The European Space Agency landed the probe Philae on comet 67P Until this decade ... It revealed that the surface contained ammonia, hydrogen cyanide, and hydrogen sulphide – meaning that ...

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, arrived at Comet 67P/Churyumov-Gerasimenko on 6 August 2014. DLR ...