Decades of conspiracies have floated around the internet, putting the US government at the centre of a huge cover up ...

Until the U.S. government has data or samples of alien material that can be shared, the story of extraterrestrial visitors is ...

The mysterious interstellar object scientists say is cruising through our solar system is “generating its own light”, according to an expert. This latest revelation about the strange UFO – known as 3I ...

Obama similarly pushed back on “little green men” conspiracy theories during an interview with “Late Show” host Stephen ...

Humans could be reached by aliens in less than 116 days, according to one Harvard professor, who says an unexplained object flying towards Earth might be a "hostile" alien spacecraft. Professor Loeb ...

Barack Obama's insisting the USA doesn't have little green men or alien spaceships locked up in an underground bunker ...

Earth is dotted with humongous, human-made structures that, to an alien eye, may be tell-tale signs of intelligent goings-on.

In a world easily startled by sensationalism, Tyson offers a cool, gentle voice of reason amid the unchecked fascination with ...