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Rosetta's 'rubber duck' comet was once two separate comets

Scientists come to a fascinating conclusion about how Comet 67P got its unusual two-lobed shape.

By September 28, 2015


Comet-exploring 'Hedgehog' robot goes for a microgravity tumble

NASA has tested two prototypes of its "Hedgehog" robot concept to see how they perform in microgravity.

By September 8, 2015


NASA looking at 'hitchhiking' across solar system on speeding comets

A spacecraft concept under development could shoot diamond harpoons at space rocks to slingshot itself around our corner of the galaxy.

By September 2, 2015


Rosetta's comet puts on fireworks display as it nears the sun

Comet 67P is getting cozy with the sun and things are heating up on the space rock's surface.

By August 11, 2015


Awakened Philae lander could be working on comet surface again next week

After hibernating through winter and spring, the Philae probe is finally awake and could be ready to resume experiments soon.

By June 15, 2015


Comet lander awakens from hangover, suddenly says hello

Technically Incorrect: Philae, the European Space Agency's comet-exploring spaceship, contacts Earth after seven months to say it's OK.

By June 14, 2015


Official Rosetta image reveals comet's true colors

Not long ago, the Internet was speculating that Comet 67P was on the reddish side, but a new image from the European Space Agency shows the comet goes for gray.

By December 12, 2014


Rosetta captures comet's craggy beauty (pictures)

The Rosetta mission has sent back a bevy of up-close and personal photos of Comet 67P/Churyumov-Gerasimenko with a level of detail that boggles the mind.

8 Images By December 1, 2014


Rosetta captures the birth of a comet dust jet

Good timing allowed Rosetta's imaging system to witness a dust jet shooting out from the surface of Comet 67P.

By April 20, 2015


Rosetta snaps a picture of its own shadow on the comet below

The Rosetta spacecraft casts some shade on the surface of its comet buddy, creating an otherworldly shadow selfie from orbit.

By March 3, 2015