The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

There are huge gaps in our knowledge of how to survive space. A lab in north east England is trying to change that.

Underwater was an Alien replacement that struggled at the box office but delivered one of the decade's best sci-fi endings.

When a thunderstorm recently lit up the night sky, cameras captured towering red shapes that looked uncannily like glowing jellyfish hanging above the clouds. The images raced across social media, and ...