Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

An unusual destination in the Caribbean that some call the "eighth wonder of the world" is a scientific marvel with life ...

Disclosure Day has plenty of UFOs and extraterrestrial species but very little of the human insights found in the filmmaker’s ...

Scientists have discovered a new species of flatworm, the deepest free-living one ever recorded, in the Pacific Ocean's Kuril ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national security risks ...

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

Some frogs have evolved features so strange that scientists struggle to explain them, and a few look less like amphibians ...

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

Some creative calculations using bug traps, epidemiology and trees suggest there are some 20 million unique insect species on ...

A rather outlandish claim that an alien gun was spotted in a photo taken on Mars 12 years ago has drawn attention.