Despite having the wrong ideas about how the Moon’s craters formed, these 19th-century astronomers created highly accurate ...

The South Pole-Aitken basin is the moon's oldest and largest visible crater—a massive geological wound 4 billion years old ...

The Giant Impact Hypothesis has long fascinated scientists as the leading explanation for the Moon's formation. Around 4.5 ...

From this evidence, they came to the conclusion that the moon must have been formed out of debris knocked loose when a celestial body slammed into the young Earth. This theory was popular because ...

Billions of years ago, so the theory goes, something around the size of Mars smacked into Earth, spewing a whole bunch of dirt into space that eventually coalesced to form the Moon.

These ancient rocks could hold important clues about the moon’s chemical makeup and help confirm theories about how the moon ...

This new theory could help explain some lunar mysteries that have puzzled scientists. For instance, it might account for why Moon rocks show chemical similarities to Earth (because the Moon formed in ...

A leading theory to explain the bombardment that formed large impact craters on the Moon and other rocky bodies predicts a more recent window of chaos extending from only about 4.2 billion to 3.8 ...

Earth's "second moon" won't be sticking around for Thanksgiving, but just as many of us will on Thursday (Nov. 28), it seems ...

Subscribers may view the full text of this article in its original form through TimesMachine ... regarding the recent eclipse of the moon. View Full Article in Timesmachine » Advertisement ...

This protoplanet, given the name “Theia,” is believed to have caused an explosive aftermath that led to the formation of our moon. Not all scientists are onboard with the theory of Theia. Some, like ...