first contact
Alien signal or damp squib? Rio 2.0 scale promises to help judge
When a team of Russian astronomers reported in 2015 that a telescope in the Caucasus region had intercepted a mysterious ...
Are we alone? If not, why hasn’t anyone dropped by Earth for a visit?
Scientists disagree on the probability that advanced extraterrestrials exist somewhere in the universe. Among the biggest arguments against aliens is ...
A rabbi and an alien walk into a bar: What happens when religious leaders meet extraterrestrials?
The search for extraterrestrial intelligence (SETI) presents a challenge for the major religions, who might find themselves threatened if alien ...
