In the ocean's twilight zone, where the reach of the Sun fades to nothing, an epic migration begins every time night falls.

The snails and other mollusks around hydrothermal vents have evolved to thrive in extreme conditions, but mineral extraction ...

Beachgoers in one Southern California town had to run for their lives after two massive sea lions came out of the ocean and ...

Join Pete, a blind surfer, on an inspiring adventure at SeaWorld San Diego as he faces his fear of sea creatures through unique hands-on encounters. From affectionate sea lions and gentle penguins to ...

Scientists tracked more than 17,700 kilometers of fishing activity to uncover a dramatic shift in dolphin behavior.

A chiton does not look like an animal that would challenge assumptions about vision. It resembles a small armoured shell ...

If you walk into one of these jellyfish-like creatures at South Carolina's beaches this summer, you might get yourself into a ...

This story is part of Sea Creatures of Alabama, a series from AL.com featuring some of the state’s most unique sea creatures.

For the first time, researchers have filmed the elusive goblin shark alive in the deep ocean where it naturally lives. The ...

Scientists exploring the floor of the deep sea around the Cocos (Keeling) Islands in the Indian Ocean found a landscape teeming with deep sea life, some of which had never been seen before. Here are ...