The leading theory of the Moon's formation is that an impactor hit the Earth and created a debris field that coalesced into the moon. Where is the impactor now? Has anyone ever looked or speculated as ...

At least one interstellar object (ISO) has likely crashed into Earth's moon over the eons, a new paper suggests. The moon, which is filled with thousands of craters, is thus a good hunting ground for ...

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CAPE CANAVERAL, Fla. -- The jig may be up for an "asteroid" that's expected to get nabbed by Earth's gravity and become a mini moon next month. Instead of a cosmic rock, the newly discovered object ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. For the last two and a half years, the Earth may have had two ...