Sea squirts are invertebrates known officially as tunicates, and there are more than 3,000 known species. They come in a variety of colors and shapes, but they're typically cylindrical.

A baby octopus just hatched from its egg and a "grinning" ctenophore are some of the adorable sea creatures discovered in submarine canyons offshore of the U.S. Atlantic Coast. Researchers aboard ...

Scientists discovered three new species of sea spiders that live near the ocean floor and feast on bacteria that convert ...

Welcome to the wild side of cute. If you thought pets were the peak of adorable, get ready to change your mind.From African deserts to Asian mountains and Arctic snowcaps, meet nature’s top-tier ...

Some of the world’s most fascinating creatures live underwater. And unlike the more mainstream animals under the sea — seahorses, sharks, and even deep sea anglerfish — one cool member of ...

Endangered Ocean Creatures Beyond the Cute and Cuddly Marine species threatened with extinction aren’t just whales, seals and turtles—they include fish, corals, mollusks, birds, and a lone ...

Imbler’s new book, How Far the Light Reaches: A Life in Ten Sea Creatures, is filled with essays comparing aspects of their life to bizarre creatures of the deep sea. From exploring their queer ...