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 ...

Discover the 25 craziest looking sea creatures, from transparent-headed fish to parasitic anglerfish. Explore the ocean's ...

The ocean’s deepest reaches harbor some of the most alien and terrifying life forms on Earth. Far below where sunlight fades to eternal darkness, creatures have evolved in ways that seem to defy ...

A two-week expedition off Brazil's coast uncovered 31 previously unknown marine species, highlighting just how little is known about Earth's largest ecosystem.

Cephalopods—the class of animals that comprises octopuses and squids—are ubiquitous throughout the ocean, including in the deep sea. However, researchers still don't know very much about the ...