Fish species living in the deep sea feature a surprisingly large range of body shapes that evolved in different ways and at different rates depending on where the fishes live in the ocean, new ...

New research shows how deep-sea fish evolved unique body shapes depending on depth and habitat, revealing surprising ...

Picture this: vast underwater mountains hiding creatures that seem ripped from science fiction, animals that create their own ...

The deep-sea's midnight zone, a realm of crushing pressure and absolute darkness, harbors extraordinary creatures. These ...

The vampire squid genome shows it kept ancient features shared with squids, while octopuses gained major chromosomal changes.

Far below the reach of sunlight, the deep ocean is stitched together by pockets of warmth and chemistry that function like ...

The strange life-forms lurking in Earth's deepest seas may seem primordial, as if they are as old as the oceans themselves. But the truth is that these fish and other animals took hundreds of millions ...

An active underwater volcano off Canada's coast has revealed a vibrant deep-sea habitat, teeming with hundreds of thousands ...

The rosy-colored, segmented worms appeared to swim through water like a "living magic carpet," scientists say. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

A robotic explorer filmed the deep-sea worm as part of Schmidt Ocean Institute expedition of the Chile Margin Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013. Her ...

At the bottom of the ocean, where metal-rich hydrothermal vents exhale poison, a bright yellow worm has mastered an ...