Sky blue, ocean blue, blueberries, my eyes! Despite seeing blue all around us, blue is actually the least common color in ...

Hundreds of thousands of Velella velella, more commonly known as by-the-wind-sailors, are drifting onto the coastline.

These spiny or slimy ocean creatures display an astonishing diversity of appearances, behaviors and lifestyles—and many are ...

Coral reefs are the lifeblood of the ocean, providing shelter and resources for countless marine animals. Discover 10 fascinating creatures that depend on coral reefs for survival, and learn how these ...

Not many animals show a clear ability to identify and move to a beat aside from humans, parrots and some primates. But then there’s Ronan, a bright-eyed sea lion that has scientists rethinking ...

The never-before-seen footage of sea creatures struggling in fishing nets is featured in National Geographic’s new documentary Ocean with David Attenborough.

One by one, the four California sea lions slid out of their crates and into the ocean. As the SeaWorld San Diego rescue boat ...