SIGNS of an alien planet that’s about the same size as Earth have been picked by up a Nasa telescope. Scientists say it might ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life. An astronomer explains.

"Alien: Earth" follows a group of soldiers as a ship carrying a Xenomorph crash-lands on Earth. The FX TV series is set in the same universe as the "Alien" movies. Here's when "Alien: Earth" takes ...

You don't need a rocket ship to visit another world. Right here on planet Earth, there are bizarre landscapes that defy ...

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year ...