From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.
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 ...
Morning Overview on MSN
Is the first alien signal a civilization’s last message?
The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...
IFLScience on MSN
The Eschatian Hypothesis: Why Our First Contact From Aliens May Be Particularly Bleak, And Nothing Like The Movies
In this scenario, our first contact with aliens would be tragic. We should look for "loud shouts in the night".
Just last week, NASA's Perseverance rover dropped some major news from Mars that has everyone talking. A tiny rock sample, dramatically named "Sapphire Canyon," is showing tantalizing hints of what ...
For as long as humans have looked up at the night sky, we've wondered who, or what, might be looking back. From ancient myths about gods descending from the heavens to 20th-century UFO sightings and ...
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