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Aliens aren’t green men: what scientists really expect
For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...
Many experts believe that aliens exist in the universe, with the key elements needed to sustain life found on comets, ...
Scientists searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...
Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...
The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...
A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But not everyone agrees that it signals life. An illustration shows what ...
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