From giant stick bugs to rarely seen sea creatures, these animal videos fascinated us—and led to new scientific discoveries.

The 30cm-long (11.8in) juvenile was spotted at a depth of 600m (1,968ft), near the South Sandwich Islands in the south ...

Scientists could never square theory with data on how certain organisms fixed carbon. Turns out they were asking the wrong ...

Scientific divers have navigated a series of treacherous dives more than 330 feet deep in an attempt to unravel the mysteries ...

The Metals Company wants to be the first firm to commercially mine the seafloor. The study it funded suggests that mining ...

At the bottom of the world’s trenches, there’s a fish that shouldn’t exist. Here’s how it earned the title of the ...

For deep reef divers, descending into the ocean’s mesophotic layer can feel like exploring the moon. Discovering never-before ...

Deep-sea creatures exhibit gigantism, with football-sized eyes and van-sized sponges thriving in crushing darkness. These ...

Lanice spongicola lives on a glass sponge, a deep-sea sponge with a skeleton made of silica, that rises from hard rock. The ...

The deep sea around Antarctica just got a whole lot weirder as researchers have discovered at least 30 previously unknown ...