As space junk accumulates, astronomer Sam Lawler explains why we should be concerned about the rapid proliferation of private ...
The threat of a civilization-ending asteroid hitting the Earth is well-known — as a plethora of Hollywood movies on the subject has demonstrated. But there is a less-known threa ...
The moon gets hit by space debris all the time, but some of the impacts are so large you can see them with the naked eye from thousands of kilometers away. NASA's control room recorded the team's ...
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