The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...

If you're a skeptic, these UFO sightings will convince you that the truth is out there—and it may not be from Earth.

Add Yahoo as a preferred source to see more of our stories on Google. Aliens and UFOs have been in the news lately after Barack Obama mentioned in an interview that aliens were real. He later made it ...

Lyn Buchanan, a former US Army intelligence officer who later worked on classified psychic espionage programmes, said the ...