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 ...

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 ...

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