Aliens have long been a staple of science fiction. Yet the possibility of intelligent life beyond Earth is more than a matter of imagination—it is also a subject of serious scientific inquiry.

Every morning on a planet nearly 700 light years away, clouds roll in. By evening, the sky clears. It sounds like a weather report from home, but it is actually the most detailed picture yet of an ...

A new study from researchers in Japan suggests that a better way to search for alien life might be to look for suspiciously similar planets that are close to each other. The idea is that if life has ...

When gazing at the countless stars shining in the night sky, have you ever wondered about this?"Is there life other than on ...