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

The beloved presenter's latest film is about the glory of the watery world that feeds us, cleans our air and could save us from climate catastrophe. But also about how we are killing it.

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 ...

Thousands of gray whales are migrating north from Mexico's Baja lagoons in visibly emaciated condition, with some so thin ...

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 ...