Surprising footage reveals parasites attached to the head of a deep-sea fish. These crustaceans, visible in a video shared by the Schmidt Ocean Institute, feed on their host's bodily fluids.

The never-before-seen footage of sea creatures struggling in fishing nets is featured in National Geographic’s new documentary Ocean with David Attenborough.

The Monterey Bay Aquarium Research Institute captured footage of a giant phantom jelly with ribbon-like arms over 30 feet ...

To survive the deep ocean, sea creatures need all kinds of adaptations that give them alien-like appearances, like huge eyes ...

Massive sea urchin populations are destroying Hawaii's coral reefs faster than they can naturally rebuild themselves.

Marine scientists have captured images of a mysterious tentacled creature that lives more than 3 miles below the ocean ...

Imagine tiny robots exploring the depths of the ocean, riding on underwater waves like surfers catching the perfect break.

NEW YORK — To survive warming oceans , clownfish cope by shrinking in size. Scientists observed that some of the ...

Sea Life Florida will have more than 25 interactive exhibits, including a stingray bay, hands-on rockpools, and 10 underwater ...

Over 20% of oceans are darker than in 2003—shrinking marine habitats, killing phytoplankton, and threatening global food ...