For more than a century, the idea that life might have arrived on our planet from elsewhere in the cosmos sat at the fringes ...

Tiny delays in pulsar signals measured by SETI scientists could aid the search for gravitational waves and extraterrestrial ...

Consciousness could be a fundamental part of reality, like gravity or matter, according to this controversial theory.

On Earth, deep-sea vents may have given rise to the planet’s first life. But nothing of the sort seems to be happening at the ...

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.

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

"Awards like these are a critical component of our incubator program for future missions, which combines government ...