Glittery sea worms and sea squirts fit for "The Lord of the Rings" universe might sound like pure fantasy, but they're very real creatures living in the deep sea. Some of these otherworldly ocean ...

Researchers at MBARI, the Monterey Bay Aquarium Research Institute, have been exploring this hidden world for years. Using ...

By snatching chloroplasts from algae, animals called sacoglossans produce their own energy through photosynthesis ...

The video above takes viewers beneath the waters off Bali, Indonesia, where a truly unusual marine animal glides across the seafloor. At first glance, it looks almost unreal — soft, translucent, and ...

Researchers say the discovery of the oldest known recordings of whale sounds could open up a new understanding of how the ...

Dive to places uninhabitable by humans and encounter regal whales and colorful reef life. Ocean Animals features the world’s most charismatic animals that inhabit a realm humans can only fleetingly ...

Sea turtle shells record life history layer by layer over many years, clearly revealing diet, stress, movement, and ocean ...

A cnidarian is attached to a dead sponge stalk on a manganese nodule in the Clarion-Clipperton Zone. Diva Amon and Craig Smith, University of Hawaii at Mānoa Picture an ocean world so deep and dark it ...

A team of scientists digging up some of the Earth’s oldest rocks has uncovered new chemical evidence that Earth’s first animals were likely ancestors of the modern sea sponge. The discovery relies on ...

Here's what's being done to help an endangered sea turtle recover after being found on a Texas beach in rough shape.

WASHINGTON — Two baby Kemp’s ridley sea turtles were released back into the Atlantic Ocean on Thursday, following more than six months of rehabilitation with the National Aquarium’s Animal Health and ...