Off the rocky coast of Cape Ann, Massachusetts, a group of divers descends into cold Atlantic water hoping to encounter one of the ocean’s most curious animals: gray seals. Unlike many marine animals, ...

Water striders are the only insect that live entirely on the ocean’s surface. By some estimates, insects make up 80 percent of named animal species. They’re found all over the world and in all manner ...

The golden mussel threatens to disrupt California's surface water delivery system, from the Sacramento San Joaquin River ...

Deep in the wild waters of Gabon, where jungle meets oil rigs and the Atlantic Ocean churns with predators, one fisherman is searching for a legendary monster — the giant barracuda. Known for their ...

In the deep ocean, where sunlight never reaches, and food drifts down like confetti, survival is less about speed and more ...

Right whales can also be difficult to spot from boats due to their dark-colored skin and lack of a dorsal fin.

Learn why blue whale calves are prime orca targets and how their massive mothers use slipstreams, allies, and shockwaves to keep them alive.

The chain catshark may look like any other shark in daylight, but under blue light, its skin glows neon green. Here’s a breakdown of this remarkable adaptation.

As wildlife tourism grows, scientists are asking a bigger question: can we bring people closer to nature without reshaping the ecosystems they came to see?

A global study finds that everyday boat traffic can disrupt ocean animals like whales, sharks, and sea turtles - even without collisions.

Scientists recorded the first shark in Antarctic waters when a sleeper shark passed a deep-sea camera in near-freezing darkness.

Somewhere in the North Atlantic, more than a kilometer beneath its surface, a cold-water coral reef stretches across an ...