Disclosing government documents about UFOs won't mean much without hard physical evidence for alien spaceships or alien ...

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

The belief that the pyramids were not built by human hands has fascinated conspiracy theorists for decades. No one promoted that idea more persistently than Swiss author Erich von Däniken, often ...

Thematic ETFs tug at our psychological biases — fear of missing out, love of storytelling, the lure of exclusivity. But are ...

On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

Barack Obama says aliens are real – but shoots down conspiracy theory about Area 51 - ‘They're real, but I haven't seen them,’ the former president teases ...

If you're searching for science fiction movies that will make you question or contemplate humanity, these are some of the ...

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year ...

Trump accused Obama of revealing classified information about aliens, calling it a "big mistake" during Air Force One interview with Fox News reporter.

Science fiction movies are already meant to leave you thinking what the ending meant, but these five may have left you thinking about too much.