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

The open ocean has always made room for imagination. For centuries, sailors swore they saw monsters bigger than ships, smarter than people, and hungry enough to pull a crew straight off the deck. No ...

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.

An entire world lives deep under the ocean’s surface, far from human notice and as bustling as any city. Animals such as tubeworms and clams live crowded around plumes of methane that bubble up ...

Some of the wildest legends may actually be rooted in reality. Ancient people didn’t have science textbooks, just bones in the dirt and stories passed around the fire, and sometimes, those stories ...