A playful look at intelligence across aliens, humans, and chimpanzees.

Psychic spy veteran Lyn Buchanan claims the CIA accessed 23andMe and Ancestry.com to search for people with extraterrestrial DNA. But is it true?

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

This second set of remains belonged to what the world would come to know as the Starchild Skull. For nearly a century, this artifact has served as a battlefield between those who believe in extraterrestrial visitation and the scientific community that seeks a terrestrial,

Astronomer Jon Willis warns that alien signals could be passing Earth unnoticed because humans are searching on the wrong scales, with the wrong assumptions about life and intelligence.

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

Humans have always been fascinated with space. We frequently question whether we are alone in the universe. If not, what does intelligent life look like? And how would aliens communicate? How could that work when we have no shared language? Well, consider ...