Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

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

"Project Hail Mary" really pushes the limit when it comes to non-humanoid aliens. But researchers posit that real aliens ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

Beneath the icy silence of Antarctica's famous Dry Valleys lies a world so unusual that it often resembles another planet.

Researchers have looked at how particular microbes from Earth would fare in conditions like those of Mars, the moon, and the ...

Case in point: Scientists from Tokyo University and Hokkaido University in Japan stumbled across some mysterious jet-black ...

Renny Harlin revealed why he walked away from directing Alien 3 after 20th Century Fox rejected his radically different ideas ...

Astronomers suggest that space weather could distort alien signals, making them undetectable. This challenges traditional ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

From trippy swirls to blood-soaked slabs, a new book mines gothic and renaissance art for the supernatural significance of the precious rock ...