Marine biologist Alexander Semenov specializes in invertebrates and is the head of the divers’ team at Moscow State University’s White Sea Biological Station where he organizes and manages all sorts ...

From a sneaky Coconut Octopus to the slimy Hagfish, these underwater creatures have some unique traits. Watch Full Episodes Here: https://www.smithsonianchannel.com ...

The mention of giant underwater creatures usually brings to mind mythological monsters. The great kraken, ancient leviathans, and if that fossil of a creature with 45 arms is a real-life Cthulhu. As a ...

These photos show never-before-seen underwater creatures living within the Pacific Ocean deep off Chile’s coastline. Scientists photographed more than 50 species that were discovered during a deep-sea ...

The underwater world often feels like something from another planet. Life in the seas and oceans remains a mystery to those of us on the surface—not only fascinating but also breathtakingly beautiful, ...

Sharks are an apex predator of the oceans and don’t shy away from taking a bite out of most creatures except for one that can deliver one heck of a shock. Great white sharks and tiger sharks are ...

Some of the world’s most fascinating creatures live underwater. And unlike the more mainstream animals under the sea — seahorses, sharks, and even deep sea anglerfish — one cool member of the aquatic ...