Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

The Hubble Space Telescope set its sights on a total lunar eclipse, using the Moon as a mirror to study Earth. Here’s how it could help us find life on other worlds. The Hubble Space Telescope has ...

Scientists searched 27 exoplanets for alien technology using planetary eclipses, revealing a new way SETI hunts signals ...

Decades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may look more like slush.

A team of astronomers recently made the bold claim that they had found "the strongest evidence yet" that life exists anywhere else besides Earth – setting off a media frenzy. By studying data from ...