Whale ancestors were terrestrial mammals that walked on four legs. This bone structure that helped them walk eventually ...

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

This video reveals how a small shrimp uses high speed water jets to hunt and defend itself. By snapping a specialized claw, ...

Sensors attached to animals gather valuable data to track and mitigate the human influence on marine life. The review paper emphasizes the importance of integrating data from various sources and ...

The scientific community has gotten very good at predicting where storms will hit, but it is more difficult to predict storm intensity. That’s why researchers at the University of Delaware are looking ...

WASHINGTON, Oct 17 (Reuters) - A deep-diving robot that chiseled into the rocky Pacific seabed at a spot where two of the immense plates comprising Earth's outer shell meet has unearthed a previously ...

The seemingly endless size and depth of the ocean can conceal breathtaking creatures so enormous that it can be difficult for us to even imagine them. One such animal is the fin whale, a true ...

A common neurotoxin produced by algae blooms is making California sea lions more aggressive. Here’s why it has the power to change behavior—and the danger it poses. Rescuers capture a sick sea lion in ...

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 ...