Did you ever go out with friends as a child and roam around the neighborhood, pretending to look for space rocks? Any time you found something that looked "out of the ordinary", you would come up with ...
Since a potentially hazardous asteroid was detected in December, tens of others objects have come close to Earth.
The team has developed a Microgravity Drop Tower — the fourth largest globally — to study materials under zero-gravity ...
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When Did Earth Get Its Moon
The moon is Earth's longtime, familiar companion, the story of when and how it got there is actually a bit of an unanswered question in astronomy.