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 ...

:rocket: Could aliens be hiding on a frozen twin of Earth? NASA has just discovered a rocky exoplanet that’s remarkably similar to our home planet — and it’s shaking up the search for alien life.

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

Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their formation but ours managed to hit.

Astrobiologists propose that alien civilizations need accessible coal deposits to industrialize exoplanets and become detectable from Earth.