Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these ...

The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...

Did NASA discover city lights on an alien planet? This video explores the implications and details of the findings that ...

The majority of Americans believe there there is extraterrestrial life. Aliens might marvel at earth's natural beauty but ...

A newly discovered “super-Earth” planet could allow us to finally see alien life, researchers say. The world – named GJ 251 c and lying less than 20 light years away – is thought to be a “super Earth” ...

You’ve traveled thousands of light-years through interstellar star systems. And now you’re stranded on a planet you know nothing about. As long as you’ve got oxygen, water and food aboard your ...