The word “urchin” derives from a 14th-century word for “hedgehog.” Like their terrestrial namesakes, sea urchins are known for their spines, which are flexible and strong and serve ...

What is a sea? If you happen to call the sea the ocean, you’re not necessarily wrong – seas can still be considered a part of the ocean. What typically defines them, however, is that they are ...

Researchers say the new footage of the deep sea fish may be the first live sighting of the creature in daylight near the ocean's surface Brenton Blanchet is a writer-reporter at PEOPLE. He has ...

A new database compiling over 400 sightings of a mysterious ocean phenomenon known as ‘milky seas’ could help scientists soon predict when the odd ocean glows occur.

To better understand the air-sea interactions of biogeochemically important constituents such as gases and different particles, researchers from the University of Delaware and the University of ...

From starfish and sea slugs to jellyfish and sponges, the ocean's invertebrates are some of the most ancient and diverse critters on Earth. And so are their superpowers, as marine biologist Drew ...

Researchers captured this image of a sea anemone on the ocean floor during a 45-day expedition to the Clarion-Clipperton Zone in the Pacific Ocean. NHMDeepSea Group/Natural History Museum, UK.

Researchers captured this image of a sea anemone on the ocean floor during a 45-day expedition to the Clarion-Clipperton Zone in the Pacific Ocean. NHMDeepSea Group/Natural History Museum, UK.

A new database compiling over 400 sightings of a mysterious ocean phenomenon known as ‘milky seas’ could help scientists soon predict when the odd ocean glows occur.