For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

Mysterious glowing green orbs the size of basketballs invaded the home of a senior defense official tasked with finding the truth about UFOs, he has claimed in a new memoir. Luis Elizondo has written ...

Are we alone in the universe? Indeed, it could not be a question that has captured the human imagination more than this one, perhaps as long as human beings have walked on this earth. While scenes of ...

GUANGZHOU, China — Glow-in-the-dark plants bright enough to light up streets at night may sound like the stuff of science fiction or fantasy. But scientists have already made plants that emit a ...