The Manhattan-sized interstellar visitor hurtling through space has captured the imaginations of UFO watchers for months and ...

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

Giorgio A. Tsoukalos talks about the Alien Astronaut Theory & the new episodes of "Ancient Aliens" on The History Channel.

A theory as to why we haven't heard from aliens which renowned theoretical physicist and cosmologist Stephen Hawking agreed with has resurfaced online. Planet Earth is about the size of a speck of ...

A viral tweet claims a secret government telescope spotted interstellar comet 3I/ATLAS a year early and leaked the information to Jeremy Corbell. Here is what the theory alleges and what astronomers ...