BBC Sky at Night Magazine on MSN
How small can an Earth-like planet be and still host alien life? Scientists have used a genius trick to answer that very question
Study pinpoints which rocky worlds could hang on to a life-supporting atmosphere ...
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.
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