Earth researchers have spent generations decoding the Grand Canyon, turning its cliffs and chasms into one of the clearest ...

Throwing rocks and other objects into the Grand Canyon is illegal, but sometimes curiosity overrides common sense. A pair of hikers were spotted recently throwing rocks over the rim, and when ...

The Grand Canyon has long been held up as a textbook example of slow, steady erosion carving a young gorge into ancient rock.

A giant impact 3.8 billion years ago sent a curtain of rock flying away from a point near the moon’s south pole. When that curtain fell, its rocks plunged up to 3.5 kilometers into the lunar surface ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

Two gigantic canyons on the moon — both deeper than the Grand Canyon — were carved in less than 10 minutes by floods of rocks traveling as fast as bullets, a new study finds. Scientists analyzed the ...

A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the Grand Canyon, one of the natural world's most iconic sites. The rich fossil ...