Most sea sponges are simple, yet ancient, animals that live in coral reef ecosystems. They feed by passively filtering ocean ...

These animals have unique and unusual ways to live in a difficult environment. The odd, adorable, deep-sea "dumbo" octopus is not the name of a single species, but instead refers to an entire genus of ...

Explore the astonishing world of giant sea creatures beyond the famous blue whale. Scientists have discovered incredible ...

In the deepest and coldest parts of the ocean, sea creatures — mainly invertebrates, or animals without backbones — can reach gargantuan proportions. Squids, sea spiders, worms and a variety of other ...

In the vast and colorful—and sometimes terrifying—world of marine life, few creatures are as captivating as the Costasiella kuroshimae. Affectionately known as the "leaf sheep" or the "Shaun-the-sheep ...

Scientists are using lasers to create 3D reconstructions of these creatures' mucus houses. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

How severely the world’s plastic waste crisis is affecting marine wildlife is not fully understood, despite decades of research and gruesome images of whales’ bellies filled with plastic and a turtle ...

MIT geochemists offer compelling evidence that ancient sea sponges were Earth's first animals, emerging over 541 million years ago. By analysing chemical fossils in rocks, researchers identified ...