A viral social media post claimed there was a submarine in the ocean off the Myrtle Beach, SC coast. It was actually a grouping of fish called a bait ball.

The sinking of the U.S.S. Indianapolis is widely known as a shark story—but the truth is much more horrifying.

(CBS 8) - There's a new underwater species that looks like a shark and moves like a dolphin. The Seabreacher X is the latest high-tech submarine that can dive below the surface, launch itself out ...

This beast puts “Jaws” to shame. A massive bluntnose sixgill shark was captured on video lurching toward a submarine that was filming it. The shark was about 20 feet long — nearly… ...

The Red Sea, renowned for its coral reefs and marine life, is a major hub for Egypt's tourism industry, a pillar of the economy. Fears have now been raised over recent tragedies changing that. In ...

Jacques Cousteau’s grandson Fabien is building a shark-shaped submarine that will use pneumatics to power a working tail so that he will be able to slip in undetected with real live sharks.

Capt. Taylor Bankston estimated the great white shark to be 14-feet long. It circled the fishing boat for 20 minutes and even tried a nibble.

This short film documents the quest to tag a rare bluntnose sixgill shark, and find out more about the massive parts of the ocean we've never explored. The ocean, which is 95% unexplored, still ...

NATO's "Shark Hunt 21" submarine exercises, led by the U.S. Navy's 6th Fleet, began on Friday in the North Atlantic Ocean, the U.S. Navy announced.