The European Space Agency aims to make the Rosetta space mission the first to attempt a landing on a comet's surface.
This video reveals what will happen when the Philae lander arrives at the comet with the Rosetta spacecraft:
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The Trump administration is greatly expanding the number of illegal immigrants in the country who are considered a priority for deportation.
The feature on the Facebook-owned app is strikingly similar to similar "story" elements on Instagram and Snapchat.
Merseyside Police are hunting convicted murderer Shaun Walmsley after two armed men helped him escape custody while on a hospital visit.