A newly described species from the Burgess Shale had three eyes, clawed limbs, and a tail full of gills—plus internal organs ...

Interested in animals that eat kelp and seaweed? Read on to learn about 14 amazing marine animals that chow down on this ...

Thousands of feet below the surface of the Indian Ocean, a reddish sea creature with “massive eyes” used its “long” arms to move through the water. Something approached the deep-sea animals, caught it ...

Animals with ultraviolet color patterns can be found all over nature. Here’s what we know about what purpose these patterns ...

A remotely operated submersible saw the “semi-gelatinous” animal lying on the ocean floor and “flying underwater.” Take a ...

A pair of sea creatures were spotted saying “hello” off the coast of California, bystanders said. Matt Hardy Unsplash A “fun” duo of sea creatures was spotted circling a boat, and ...

We have arrived at this cave, splashed with faded depictions of animals ... like fantasy land to a windswept ridge, where snowcapped mountains and fluffy clouds create a backdrop so spectacular ...

and although they look fairly unthreatening at a glance, they can provide a seriously painful encounter. The sea creatures actually store up venom from blue bottles they ingest to then inflict ...

A mama sea creature and her baby were seen swimming alongside one another, Massachusetts officials said. Matt Hardy Unsplash A mama sea creature was seen swimming alongside her baby in ...

Screengrab from the Thai Department of National Parks, Wildlife and Plant Conservation A pair of ... short distances between seasons. The massive creatures — which can weigh 90,000 pounds ...

Sea creatures keep showing up dead in California waters, and researchers may have an answer as to why. It has to do with their food. One of the largest algae blooms in Southern California has been ...