Add Yahoo as a preferred source to see more of our stories on Google. Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a sigh ...
An astrophotograph of the interstellar comet known as 3I/ATLAS highlights its green coma and a wandering blue-tinted ion tail. (Copyright Victor Sabet and Julien De ...
The eyes of every astronomer widened this year when an interstellar traveler was discovered in our solar system. Despite some suggestions that it could be an alien spacecraft, observations from some ...
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