Elon Musk has turned a long-running joke about being an extraterrestrial into a central part of his public persona, even as he argues that humanity may be the only intelligent life in the universe.

AMSTERDAM (Reuters) - Nearly half of humans believe in alien life and want to make contact, a survey in 24 countries has found, in what researchers said helps to explain the lasting popularity of the ...

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...

Add Yahoo as a preferred source to see more of our stories on Google. Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn’t frightening ...

Add Yahoo as a preferred source to see more of our stories on Google. (Photo by BRENDAN SMIALOWSKI/AFP via Getty Images) A new genetic study claims alien DNA could be inserted into humans. Dr. Max ...

Humans have created countless inventions that shape our lives in amazing ways. Some are practical, some are revolutionary, and some are simply fascinating. But if aliens suddenly appeared, which ...