BBC Sky at Night Magazine on MSN
Who is Avi Loeb? Trump's lead UFO researcher talks alien life and what would happen if we find we're not alone
Astronomer Avi Loeb gives his thoughts on the prospect of finding signs of intelligent life beyond our Solar System.
A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.
Astronomers have revealed new details about the makeup and age of a visiting comet that was born around a distant star. They ...
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