The proto-Earth formed surprisingly quickly, new research shows. The finding ups the chance of finding water and life on other planets.

Exoplanet NGTS-10b is either "in the last stages of its life, or somehow it's able to live here longer than it should."

Researchers have taken a first step toward the "rotating detonation engine," which could make rockets more fuel-efficient and lightweight.

MIT engineers devise a decision map to identify the best mission type to deflect an incoming asteroid.

Arrokoth, the furthest object a spacecraft has ever visited, could shed light on how planetary "building blocks" called planetisimals form.

Astronomers want more public funds to help search for intelligent life elsewhere in the universe.

Sir Richard Branson's Virgin Galactic rocket plane transfers to New Mexico for final testing.

The US space agency reprocesses the Voyager probe's iconic "Pale Blue Dot" picture of Planet Earth.

Like a real life version of the game Asteroids, the majority of stars will become so luminous that their light causes asteroids to break into smaller bits.

A tilted orbit may explain the asteroid Pallas’ highly cratered surface.