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Astrophysicists predict origins of unexpected space objects in solar system and Alpha Centauri

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and how it got here. A new study led by Western astrophysicists Cole Gregg and ...

Interstellar comet 3I/ATLAS is leaving our solar system for good

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's ...