But what is the science behind extraterrestrial life? Is it possible that humans will ever experience "first contact" with an ...

The hidden chemistry of the Earth’s interior may play a far more dramatic role in shaping continents than previously imagined ...

A chilling simulation has revealed what would happen if the world lost all forms of oxygen for just five seconds, and while ...

Earth may not have seven continents after all. From the earliest of grades, schoolchildren around the world have memorized ...

A decade after the release of "The Martian" and a decade out from the world it envisions, how close is reality to fiction?

NASA's Perseverance rover is exploring a new Mars region called Krokodillen, which is thought to harbor some of the oldest and most intriguing rocks on the Red Planet.