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Exploring a world that may hold intelligent alien life

A mysterious structure emerges in a distant landscape, raising new questions in the search for intelligent alien life. The ...
IFLScience on MSN

Comet 41P: Controversial Harvard astronomer is once again pointing at comets and saying ...

The often controversial Harvard astronomer Avi Loeb, fresh from speculating whether interstellar comet 3I/ATLAS could be an ...