Marine

The surprising discovery reveals how much we don't know about the deep ocean and its residents.

In the Florida Keys, young people are helping to rebuild the world's third largest barrier reef.

British Columbia's Kitasu Bay is the first Indigenous-protected marine park in the world.

New discoveries off the Chilean coast include dozens of species new to science.

Along the Pacific Coast, fast and furious sunflower sea stars are vicious hunters as adults—and they're even hungrier when young.

From penis dueling to pee potions to switching sexes, there’s no one right way of getting it on in the ocean.

How a “Darth Vader” disguise helps rescue baby pups.

Colombia's paleontologists uncover rich fossil deposits that could change what we know about ancient oceans.

Searching for enslaved history once swept away with the tides.

At warm, deep sea springs off Costa Rica's Pacific Coast, throngs of octopus "balls" gather to tend their brood.

When vessels such as the WWII tanker E.M. Clark sink, they begin a second life as habitat for a diverse ecosystem.

From unexpected treasure in Ukraine to a unique relic of the American Revolution, Captain Santa’s lost ship to digital dugouts.

Around the Caribbean island nation, local cetaceans have some unique traits, including doubling down on defecation.

Investigating the secrets hidden deep below the water's surface.