Coastal and tropical waters harbor formidable sea snakes, some of the ocean's most potent predators. Species like Dubois's ...

This story originally appeared in the winter 2025 issue of UC San Diego Magazine as “Making Waves.” This summer, Birch ...

Museum researchers reconstructed the evolutionary history of stony corals over the past 460 million years, providing insights ...

As carbon dioxide is absorbed by the world's oceans, they become more corrosive. That's happening faster here.

Though they've evolved over the years—but only a little—the twin Bahamian sanctuaries of Harbour Island and Eleuthera are ...

An aerial drone photo taken on March 26, 2025 shows reefs in China's Huangyan Island area in the South China Sea.

Hundreds of non-native animal & plant species live in Florida. They prey on native critters & damage native ecosystems.

Discover simple actions you can take to help protect the ocean from overfishing, climate change, and plastic pollution.

Discover the vibrant underwater world with this stunning footage of coral reefs, sea turtles, and schools of colorful fish.

Crews lowered 22 concrete cars to the ocean floor to create "Concrete Coral," an installation by artist Leandro Erlich. The ...

Young corals can still build skeletons in acidic water, but the altered crystal structure makes the skeletons smaller and ...

Fish species living in the deep sea feature a surprisingly large range of body shapes that evolved in different ways and at ...