Many of the planet’s most consequential ecological changes don’t come with viral footage or easy villains. They unfold ...

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

Cape Cod’s waters now host two high-tech buoys that listen for endangered right whales. How does this help protect these ...

Crashing waves, glistening sea spray, a calm expanse of deep blue. These are the images that open “Ocean with David ...

Whale sharks. Are they whales? Are they sharks? This amazing creature is actually a shark. It is called a whale shark due to ...

The whales spotted, ranging from smaller calves to big adults, put on “quite a show,” the group said. The “gentle giants” ...

The new Patagonia Azul Provincial Park is in one of the most wildlife-rich corners of the South Atlantic Ocean, nicknamed ...

Baleen whales shift huge amounts of nutrients, including nitrogen, from high-latitude feeding waters to tropical breeding areas.

Dive into the deep and witness the awe-inspiring grace of whales in their natural habitat—captured in stunning underwater ...

Sea mammals — seals, dolphins, whales — are dying from domoic acid from early algae blooms off LA County beaches ...

You might not want to think too much about all the whales that have urinated in the ocean the next time you go to the beach, ...

The toxic algal bloom sickening and killing marine mammals up and down the Southern California coast is showing some of its ...