Wondering about the world's weirdest sea creatures? We've compiled this list of the 20 weirdest animals in the ocean to show ...

Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

The most transformative deep sea finding in a generation is not a single strange animal or a record-breaking trench, but ...

Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.

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 ...

About 90 percent of species found in the Clarion Clipperton Zone have never been identified, yet they may be at risk from mining for minerals such as cobalt and nickel. This sea urchin, found in the ...

From shallow reefs to pitch-black depths, the ocean is alive with sparkling lights. Fish, squid, clams and plankton have found a wide range of ways to glow, shimmer and flash, lighting up the dark ...

From worms with squid-like tentacles to fish with teeth on their tongues, here are some of the most alien-looking creatures in the deep ocean. When you purchase through links on our site, we may earn ...

If you want to see an alien creature then stop searching the cosmos and take a trip to the bottom of the sea. The ocean's depths are full of weird and wonderful creatures, and as humans venture deeper ...

From mysterious colossal squid to the ferocious pram bug, these creatures are stranger than fiction. Found in the depths of the Pacific Ocean, the flower hat jellyfish (Olindias formosa) glides with ...