From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Could Cuba really withstand a conflict with the United States? This video explores the growing tensions between Washington ...

These spheres from the abyss conceal creatures with startling biology.

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Ash begins with Riya Ortiz waking inside a blood-soaked station on KOI-442, the distant planet called Ash, with no memory of ...

Astrobiologists think extraterrestrial civilisations grow so much that they hit crisis points, missing the chance to set out ...