Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” who look suspiciously like us in rubber suits. The scientists who actually ...

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...