Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

From space slugs to lunar cemeteries, these movies, games, and books show that the undead can arrive from above, as well as below.

Fans of the Predator franchise should check out these 15 other movies featuring alien threats, outer-space terror, and ...

You're going to see a lot of stories in 2026 claiming soon-to-be-achieved science and tech advances. Here are the ones just ...

SCIENTISTS are scratching their heads as 3I/ATLAS reaches its closest point to Earth, but it’s not behaving like a typical comet. On December 19, 3I/ATLAS is expected to come within 170 ...

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...

The genre of science fiction has a lot to say about sleep. Here are 11 great stories, from TV, film and books.

Marvel Comics is no stranger to having morally gray heroes, but the Thunderbolts certainly take the cake. This team of ...

On Dec. 18, just 24 hours before its closest approach, the Green Bank Telescope scanned frequencies from 1 to 12 GHz. Their ...

Radiative cooling technologies scatter heat and light into space, which could cut air-conditioning demand and keep people ...

Because "Star Trek" strives to base itself on actual science as much as possible, the beloved sci-fi franchise has inspired ...