The Mariana snailfish or hadal snailfish might hold the record for the deepest fish in existence. They are relatively small, ...

The Mariana Trench, located in the Pacific Ocean, is the deepest known part of the Earth's oceans, plunging nearly 36,000 ...

How do fish survive in the extreme conditions of the deep sea—amid icy cold, darkness, and immense water pressure? A genomic study provides surprising answers: A single mutated gene might have ...

A new autonomous underwater vehicle (AUV) imaged a previously unexplored portion of the seafloor in ultra-deep waters near ...

Scientists from Newcastle University tested crustaceans at the bottom of the Mariana Trench, known as Challenger Deep. At 10,890 metres below sea level it is the remotest part of the world’s oceans.

Scientists are exploring creatures and habitats in the deepest parts of the ocean, and you can follow along by watching a live video stream.

After checking out some of the nightmare-inducing life forms NOAA’s deep-sea diving robot discovered at the bottom of the Mariana Trench, sleep will be the last thing on your mind.

On a recent expedition to the Mariana Trench, the deepest part of the sea, researchers from the University of Hawaiʻi at Mānoa and Britain’s Newcastle University dredged up dozens of strange ...

Deep-sea fish adapt to some of the most extreme conditions on Earth. New research analyzing their evolution finds the same mutation across fish species that have evolved on separate timelines ...

The ocean is unfathomably deep. So deep that the Mariana Trench, hidden beneath the ocean’s waves, would surpass Mount Everest in height, if our planet's tallest mountain were placed inside it upside ...

The sea pigs, squishy fish, and giant cells of the Mariana trench.