About 66 million years ago, an asteroid slammed into what is now Mexico, forming the Chicxulub crater. This impact wiped out ...
Astronomers have discovered amazing fragments of a rare meteorite on the Moon, which may help reveal the secrets of the ...
14hon MSN
How Did Mars Get Its Moons?
Mars has two moons, but they're not quite like Earth's moon. That's raised a lot of questions about where they're from, ...
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