Humans have wondered about life beyond our planet since ancient times, and researchers have worked hard for decades to find ...

The search for extraterrestrial intelligence (SETI) is mostly concerned with where to look for technosignatures from another ...

A conspiracy theory claims that shape-shifting reptilian aliens have secretly infiltrated governments and powerful institutions around the world. This video examines the origins of the lizard people ...

Finding a signal from an extraterrestrial civilization takes more than just pointing a telescope in the right direction. We ...

"Disclosure" has become a cult word. It shouldn't be, since all it means, technically, is to reveal something. But the new wave of alien conspiracy theorists have made "disclosure" into a teasingly ...

Scientists searching for extraterrestrial signals are testing an unusual idea: another civilization might choose a ...

The Fermi paradox raises a key question: Given the likelihood of intelligent extraterrestrial life, why is there still no compelling evidence of it? A new theory, described in a paper not yet ...