A new model simulates a rocky planet without life, giving astronomers a baseline to judge whether gases in an exoplanet's ...

The search for extraterrestrial intelligence (SETI) is mostly concerned with where to look for technosignatures from another ...

Filmmaker and UFO researcher Jon Stewart has floated the idea that Donald Trump could respond to Republican midterm election ...

Cracks along a giant Martian volcano, possibly above a magma chamber, might be spewing magmatic gases into the atmosphere, ...

Our astronaut hero is under attack from strange blobby beings in the new clip from 'Space Cadet,' in theaters Nov. 13 from ...

Steven Spielberg has made at least six. He's had his misfires and genuine failures along the way, but Spielberg has reshaped ...

Are we alone in the universe, or is someone trying to reach out? Scientists have detected strange, ultra-powerful radio ...

A prolific UFO researcher claims he spotted an object flying close to the International Space Station in a recent NASA ...

AI agents now help SETI Institute and Breakthrough Listen to operate radio telescopes and sift through space signals in real time, even before an observation ends.

The greatest starfighter story ever, isn't 'Star Wars.' Here's what to know about the return of 'Wing Commander' games.

This Mattel vehicle almost eclipses the series it came from, collectible even among those who have never seen this obscure ...

From Ridley Scott's 1979 original, to 2024's box-office hit Alien: Romulus, we ranked every movie in the historic sci-fi ...