Beyond our solar system, countless alien worlds of lava, ice, water and noxious gas swirl through the cosmos. Here are some ...

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech ...

Are we alone? One of the big questions that people would like to answer is whether life exists elsewhere in the Universe. Given the scale of the Universe, planetary scientists have tended to focus on ...

NASA has switched off another scientific instrument on its Voyager 2 spacecraft to save power. The space agency said Tuesday ...

Thunderstorms create a lot of wind, rain, and lightning, but many people aren’t necessarily aware of another common byproduct: gamma radiation. Thanks to a creative retrofit of an old U-2 spy plane ...

to catch the attention of an entire generation of teenagers whose first contact with both sci-fi franchises was 2004's Alien vs. Predator and some of the more modern video games. Xenomorphs led by ...

A man who claims to be a 'time traveller from the year 2671' has made the bold assertion that he knows the precise date when aliens will make contact with humans - and it's not going to end well. Eno ...

A man who claims to be a 'time traveller from the year 2671' has made the bold assertion that he knows the precise date when aliens will make contact with humans - and it's not going to end well.

Released this week on Xbox Series X/S, PS5, and PC, Warhammer 40K: Space Marine 2 is bigger and better than its predecessor. This sci-fi third-person shooter features an action-packed campaign ...

The research comes at a time when the notion that strange crafts sighted whizzing through our skies must surely be alien visitors seems ... reported sightings. Even NASA got involved, releasing ...