After traveling over 4 billion miles, and spending more than a decade in transit, the European Space Agency’s Rosetta spacecraft’s final stage is in progress: landing a probe, called Philae, on the surface of Comet 67P. The tricky maneuver will be the first of its kind if successful — and Astronomy and Discover magazines will be following its progress here live.
Live Coverage: Rosetta mission Philae comet touchdown
Philae has become the first lander to ever touch down on a comet's surface.
