To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.

Add Yahoo as a preferred source to see more of our stories on Google. At one point of the interview, which can be seen in full above, Colbert asked Obama about his assertion earlier this year that ...

A well-known conspiracy theory (also seen in The X-Files) attests that aliens are in communication with the U.S. government, ...

Trump wrote no caption to shed light on the meaning of the image, triggering speculation online.

Perspective: Donald Trump’s UFO tease risks another letdown: big promises, thin proof and a base primed for betrayal.

The way I see it, there’s nothing to fear,” said former President Jimmy Carter, who once reported seeing a UFO. “If there is ...

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

The US government released new files on Unidentified Anomalous Phenomena (UAP). Florida has the second most UFO sightings.

A female FBI informant agent claimed she 'feared for her life' in 1967 after reporting her UFO experiences to the agency, the ...

The Pentagon says the website has U.S. government photos, videos, and documents that ‘are in one place – no clearance required.’ ...

The posts come a week after the Pentagon released what it described as "never-before-seen" documents on unidentified flying ...

Mysterious circular structure near Area 51 sparks UFO disclosure theories as Christians point to the Bible’s warnings about ...