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, ...

Philae landed in November 2014, but lost contact with the orbiting Rosetta probe that dropped it on the comet. “It was very important to find Philae before the mission ended, to understand the ...