The wooden fishing boat chugs across Comau Fjord, a finger of dark water wedged between the snowy peaks of Chilean Patagonia. A Chilean flag flaps in the wind above a hand-painted black cormorant on ...

Each killer whale has a distinct pattern of pigmentation behind its dorsal fin. How do these patterns vary around the world?

The Canadian government and the Ehattesaht First Nation dropped a huge chunk of change trying to save the stranded killer whale kʷiisaḥiʔis (Brave Little Hunter). Now, they’re wondering how to make up ...

A unique fjord in Chilean Patagonia gives scientists a chance to unlock the reproductive secrets of cold-water corals that typically live thousands of meters below the ocean’s surface.

Decades after they were hunted to local extinction, fin whales are recovering in the Kitimat fjord system—only to be threatened by a booming LNG industry.

In Hawai‘i, people, pigs, and ecosystems only have so much room to coexist, and the pigs exist a little too much.

Baltic Sea Black Sea Indian Ocean Mediterranean Sea North Sea Pacific Ocean Persian Gulf Red Sea Southern Ocean Article list The Secret Sex Lives of Deep, Dark Corals A unique fjord in Chilean ...

Each summer, thousands of bluebottles (also known as Portuguese man-of-wars) wash up along the shores of Sydney, Australia. These remarkable relatives of jellyfish are actually colonial organisms: ...

One Great Shot: Are You Ready for This, Jelly? During a nighttime dive, a veteran underwater photographer captured a tiny fish’s cunning effort to find a safe spot in a dark sea.