Rosetta, Europe's Comet-Chasing Spacecraft: Latest News, Images and Video

After more than two weeks of silence, the European Philae lander on the surface of a comet phoned home once again this month in a long-distance call routed through its Rosetta mothership.

Strange pits and divots observed on the surface of Comet 67P/Churyumov-Gerasimenko may be sinkholes, not unlike those that appear on Earth, a new analysis suggests.

Why do so many comets have a two-lobed, "rubber ducky" shape? It's the result of gentle collisions and mergers, new simulations reveal.

After a 7-month hiatus, the revived European comet lander is nearly ready to resume work, expanding on our scientific understanding of the solar system.

Electrons from the surface of a comet, not photons from the sun, are responsible for the breakup of water and carbon dioxide molecules, according to new data from the Rosetta mission.