Astronomers have searched the skies for signs of extraterrestrial technology for decades. These searchers since 1960 have ...

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 ...

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

Planet K2-18b, an apparent water world 124 light years away, has been seen as a promising location in the search for aliens, ...

: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.

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