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 ...

The Alien franchise has made some divisive choices in the 40 years since the release of Aliens in 1986, but this far-reaching fan theory has a fantastic explanation for these controversial events.

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

Astronomers hunting for aliens find new way to work out when they would contact us - Work uses game theory to try and ...

"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 ...

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 ...

Everyone loves a good alien invasion story, preferably one with city-sized ships and physics-defying tech. There's just one big problem with that. The Milky Way is estimated to contain 100 to 400 ...