Liquid water might not need a perfect location to exist, and neither might alien life. Researchers now believe that planets ...

Scientists may need to broaden their horizons in their search for alien life.

Astronomers estimate there could be a trillion planets in our galaxy, yet no confirmed signs of alien civilizations. The talk ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

Dubbed HD 137010 b, the planet might fall just within the outer edges of its star's 'habitable zone', meaning there could be liquid water on its surface and a suitable atmosphere for life.

(Enhanced color global view of Pluto, taken when NASA’s New Horizons spacecraft was 280,000 miles (450,000 kilometers) away.

From Star Trek to Star Wars, Dune: Part Two to Galaxy Quest, these movies stand as the best films in the space opera subgenre ...

A faint signal from old telescope data is causing a stir in astronomy: a planet barely larger than Earth, with an almost ...

Read an excerpt of this deep-space mystery from the prolific writer of 'Whalefall' and 'Angel Down.' ...

The "Star Trek" franchise features a destructive super-weapon known as the Planet Killer, but the device's origins have remained a mystery for decades.

The fourth episode of Starfleet Academy, “Vox In Excelsio,” made some huge changes to the most famous alien race in all of Star Trek: The Klingons. The biggest change (and beware some spoilers the ...

In one of the most baffling discoveries of the last decade, scientists have found a clue in a cave to how life might survive ...