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SETI
When comet 3I/ATLAS was discovered in July, on a one-way interstellar journey through our Solar System, Harvard astronomer Avi Loeb suggested it might be an alien spacecraft paying us a visit. Back in
Speak your mind
Might our universe – as vast as it is – be simply one of many? We look at the growing evidence that there’s more than one cosmos out there
TRAPPIST-1 is a red dwarf star located about ...
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