The chemicals necessary for the formation of life have been detected in lab-grown comet ice -- a discovery that could have huge implications for discovering how life as we know it was spawned.
The European Space Agency is giving up on trying to contact the lost Philae comet lander, which had an unexpectedly rough touchdown after its release 16 months ago from the orbiting Rosetta mothership.
Gravity measurements taken by the orbiting Rosetta spacecraft show the body of comet 67 P/Churyumov-Gerasimenko is about 75 percent dust and 25 percent ice all the way through.
On a January morning 10 years ago, tiny pieces of a comet landed on Earth inside of a spacecraft -- and these samples are still teaching us new things about the origins and evolution of our solar system.
A European spacecraft has spotted water ice on the surface of a comet, shedding new light on the formation and evolution of the icy object.
Welcome to 2016, space fans! With a new rover scheduled to land on Mars, a probe launching toward an asteroid, new info on Jupiter, and the Rosetta probe smashing into a comet on purpose, there's much to look forward to.
The comet being studied by Europe’s Rosetta spacecraft contains molecular oxygen, a surprising discovery that will force scientists to rethink details of how the solar system formed.
Scientists have discovered an unexpectedly regular cycle of ice formation and depletion on the surface of a comet, a pattern tied to an orbital dance of shadow and sunlight.
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