For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

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

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at ...

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