Plastic waste releases a chemical that can confuse ocean animals, change hunting behavior, and disrupt marine food chains.

A global study finds that everyday boat traffic can disrupt ocean animals like whales, sharks, and sea turtles - even without collisions.

In an age of exhausting AI-generated videos and manipulated images purporting to showcase real marine life that have never been seen by human eyes, it's easy to forget that there are actually ...

Nearly a dozen miles off the California coast on a foggy October morning, a crane lifts a boxy yellow robot off the deck of the research vessel Rachel Carson and lowers it into Monterey Bay’s choppy ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Although the apple ...

Scientists analyzed thousands of autopsies of seabirds, sea turtles and marine mammals and found that even small amounts of ingested plastic can be deadly. By Sachi Kitajima Mulkey Two baseballs for a ...

Shipping is one of the main sources of human-made sound in the ocean. Credit: Costfoto/NurPhoto via Getty Images In the early days of the pandemic, shipping activity around the world plummeted, ...

This secretive native of both sides of the Caribbean—from Belize to the British Virgin Islands—hides out on ledges and in caves of reefs up to 140 feet below the surface of the sea. Although not being ...