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 ...