New scientific findings revive debate over possible alien life on the Moon, examining unexplained data, past missions, and ...

For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small icy world in orbit around Saturn is emerging as one of the most compelling ...

Scientists studying Jupiter’s moon Europa have zeroed in on a strange, spider-like feature etched into the moon’s icy shell, ...

Harvard's Avi Loeb says a rare sun alignment on 22 January could prove interstellar visitor 3I/ATLAS is an alien spaceship.

The Swiss author whose bestselling books about the extraterrestrial origins of ancient civilizations brought him fame ...

Frozen crystals of hydrogen cyanide, a poisonous substance, may have been essential to life on Saturn’s moon Titan, ...

Saturn's giant moon Titan may not have a vast underground ocean after all. Titan may instead hold deep layers of ice and slush more akin to Earth’s polar seas, with pockets of melted water where life ...

Scientists used the 100-metre Green Bank Telescope to look for alien signals but detected no radio signals from 3I/ATLAS.

NASA's Europa Clipper spacecraft has captured ultraviolet images of interstellar comet 3I/ATLAS, revealing hidden chemical ...

While many sci-fi hits have spawned extended franchises, these standalone works prove that science fiction movies can leave ...