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NASA spotted an interstellar comet from an unexpected angle
When an interstellar visitor slices through the solar system, astronomers usually have to make do with a fleeting, side-on ...
If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...
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