From the deserts of New Mexico to missile silos in Montana, eyewitnesses and—more recently—declassified government documents ...

The question of how life began has captivated humanity for millennia. Now, a team of scientists are preparing to use NASA's ...

A U.K.-led mission aims to determine if microbial life exists in Venus’s clouds by detecting phosphine and ammonia.

"Our work supports both the scientific quest to answer the question 'Are we alone?' and practical efforts to manage the ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

The "unintentional electromagnetic leakage" from airport radars and military radar systems can be "detectable across ...

Radar systems used by civilian airports and military operations are inadvertently revealing our existence to potential ...

In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien ...

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.