Extraterrestrial Life
Was this mysterious signal a message from aliens?
Where might we find life in our solar system?
A moon crater telescope could help us see farther back in time
What could alien life look like? These Earthlings offer clues.
This asteroid is spilling secrets about how life on Earth began
Here’s where NASA is looking for life in our solar system
We caught a view of comet 3I/ATLAS from Mars
What if aliens exist—but they’re just hiding from us?
Alien life might be able to eat cosmic shrapnel from dying stars
The best evidence yet for ancient alien life on Mars
Did aliens build these ancient sites? Here's why some people think so.
Are we alone? Earth’s giant new telescope could finally tell us.
The legend of Area 51—and why it still fascinates us
Is there really alien life on this exoplanet? We asked 10 experts.
Are we alone in the universe? These Mars rocks may tell us
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