Lurking in oceans from the tropics to the Arctic, a tiny transparent creature with barrel-shaped body and visible orange ...

The ocean is still one of the biggest mysteries on Earth, and the deeper you go, the stranger it gets. Far below the surface, where sunlight can’t reach, lives a world full of creatures that look more ...

These ocean animals were discovered through deep-sea expeditions, genetic work, divers, and remotely operated vehicles.

As they drift, sea salps function like living filters. A-Z Animals explained that they pull in surrounding water, send it ...

Life in the deep ocean evolves under crushing pressure, scarce food, cold water, and darkness that sunlight never reaches. Those conditions reward bodies and behaviors that can appear almost invented ...

The vast majority of our planet remains a complete mystery, hidden beneath miles of crushing water where sunlight never penetrates. In this eternal darkness, evolution has taken a path so bizarre that ...

One surprise find was a new species of a clear jellyfish-related animal called the Erenna siphonophore. The animal was found about 6,500 feet below the surface of the ocean. The different species of ...