Exploration & discovery

Rosetta's Philae lander touches down on a comet

12 November 2014

On 12 November 2014 the European Space Agency's Rosetta mission put the small lander Philae onto comet 67P/Churyumov-Gerasimenko, the first soft landing on a comet nucleus. Harpoons failed to anchor it, so it bounced twice and came to rest in a shaded spot where its solar panels got little light, but it still sent back data for 64 hours. Rosetta itself orbited the comet for two years, detecting organic molecules and showing that the water on the comet differs from that of Earth's oceans.

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