Earth is home to some truly bizarre and breathtaking landscapes — here are 20 that look straight out of an alien world.

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

A peculiar satellite image of Antarctica has sparked fresh debate over the existence of extraterrestrial life. A Google Earth ...

The face was spotted at a remote region in the southeast of the continent. The mysterious figure can be found on Google Maps ...

In February 1995, a small research organization known as the SETI Institute launched what was then the most comprehensive ...

An internet user claims to have discovered a shape in the Antarctic snow resembling an alien face. The satellite image ...

CAPE CANAVERAL, Fla. — Asteroid samples fetched by NASA hold not only the pristine building blocks for life but also the salty remains of an ancient water world, scientists reported Wednesday.

From contact with aliens courtesy of Adrian Tchaikovsky to the childhood writings of Octavia E. Butler, February’s sci-fi ...

The androgynous alien Ziggy Stardust - alter ego of David Bowie - landed to Earth with a bang on the gloomy streets of London. Here we unpick the iconic cover ...

Pet’s Dislikes: Baths, getting his nails clipped, and going to the vet. He also hates to be left alone.

Samples from asteroid Bennu have delivered insights into the origins of Earth’s water and the organic molecules that may have ...