In space, no one can hear you scream...but your neighbors might when they see you've got a 6-foot alien in your front yard.

Aliens, Arrival, Nope, Predator, Lilo & Stitch, E.T. the Extra-Terrestrial, and more make up our list of the best alien ...

From the first photographer star to the discovery of alien worlds, these night sky targets mark some of astronomy's greatest ...

Earth is dotted with humongous, human-made structures that, to an alien eye, may be tell-tale signs of intelligent goings-on.

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

This life-size Alien Xenomorph animatronic stands over 6 feet tall with motion effects and inner jaw action. Here are details ...

A new teaser for Steven Spielberg's highly anticipated sci-fi return has officially revealed the movie's elusive alien threat ...

History Channel personality and extraterrestrial researcher David Wilcock, known for his 'Ancient Aliens' appearances, is ...

This enigmatic orb has undergone extensive examination and DNA testing, enabling scientists to reveal its true origins ...

Before collecting any fragments of alien spaceships, you must complete a routine safety assessment – according to the UFO ...