Borisov
Secret Government Info Confirms First Known Interstellar Object on Earth, Scientists Say
A small meteor that hit Earth in 2014 was from another star system, and may have left interstellar debris on the seafloor.
A Strange Interstellar Comet Discovery Hints at a Solar System Like Our Own
The "unexpected finding" of nickel gas around interstellar comet 21/Borisov lines up with "astonishing" new observations of local comets, scientists say.
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