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 ...

Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

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 ...

Plummeting temperatures across New England are ushering in another season of cold-weather struggles for the region's sea turtles. Sea turtles suffering from hypothermia are washing up on the beaches ...

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 ...

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 ...

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 ...

“Biologging” refers to attaching sensors, cameras or other small devices to wild animals to study the environmental conditions the animals encounter. Researchers try to minimize the impact this has on ...