For decades, scientists have tried to turn the question of alien life from late-night speculation into something you can ...

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

Following speculation that comets could have been alien spacecrafts, more and more experts in the field are convinced that alien life is real — and we need to find it ...

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...