Harvard's Avi Loeb warns interstellar comet 3I/ATLAS could be alien tech. Experts weigh in on planetary defence and the risks ...

Alien spaceships are in a league of their own, though. Earth does have a force field that could make a spacecraft landing ...

Astronomers probed interstellar comet 3I/ATLAS for alien technosignatures, tracing nine 'mysterious' signals back to human ...

For all the bizarre things that've already shown up in the Fallout TV series, season 2 introduces the franchise's strangest ...

Episode two also featured a key moment that only the most dedicated fans might have picked up on. This inside joke actually ...

Interstellar comet 3I/ATLAS passes Earth, stunning scientists with a million-kilometre anti-tail and prompting reflections on ...

A video of the live air traffic control (ATC) broadcast captures the tense moment, with the pilot reporting a mysterious ...

Joe Rogan stunned listeners by invoking three words while discussing how Americans might respond to an alien threat.

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

Because Titan is tidally locked, the same side of the moon faces Saturn all the time, just like our own moon and Earth.

Steven Spielberg's eerie 'Disclosure Day' trailer has ignited alien theories online. Is it hinting at hidden extraterrestrial ...