Deep-sea fish adapt to some of the most extreme conditions on Earth. New research analyzing their evolution finds the same ...

Narrator: The Mariana Trench is the deepest point on Earth ... The Mariana snailfish, aka the deepest fish ever discovered, which scientists have seen more than 8,000 meters down.

Researchers discovered thousands of previously unidentified microorganisms at a depth of 36,037 feet in the Mariana Trench, specifically in a place known as the Challenger Deep. This is the ...

In a groundbreaking scientific expedition, researchers have identified over 7,000 new microbial species thriving in the ...

Scientists sampled fish living in the Pacific's Mariana Trench and trenches in the Indian Ocean. (Image credit: Han Xu et al. (2025) Evolution and genetic adaptation of fishes to the deep sea ...