Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

What makes a place exotic? Think landscapes you can barely imagine, wildlife found nowhere else, and cultures so distinct ...

In the early 1990s, eight people agreed to vanish from the world and live for two years inside a sealed glass habitat in the ...

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

For over two decades, millions volunteered their computers to help UC Berkeley scientists in their search for ...

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 ...

Moon dust is sharp, corrosive, and potentially fatal. NASA’s new electric force field shield is designed to blast it away.