Scientists found shark teeth inside fossil whale skulls, revealing how sharks fed on whales millions of years ago.

Two deep-sea amphipod species have been found to live in both hemispheres and share features, according to a new study that ...

Glittery sea worms and sea squirts fit for "The Lord of the Rings" universe might sound like pure fantasy, but they're very real creatures living in the deep sea. Some of these otherworldly ocean ...

Glittery sea worms and sea squirts fit for The Lord of the Rings universe might sound like pure fantasy, but they’re very real creatures living in the deep sea. Some of these otherworldly ocean ...

Another is the ear-splitting cacophony of said colony. Although not all of us will be lucky enough to hear this din for ourselves, a recent video taken by adventurer Chris Long brought it to life ...

Scientists find a deep-sea coral ecosystem over 100 years old, raising urgent concerns about bottom trawling in the South Pacific.

The ocean is still one of the biggest mysteries on Earth, and the deeper you go, the stranger it gets. Far below the surface, ...

Biological matter left behind in the water allows us to follow these animals without ever setting eyes on them.

Those bizarre sea creatures that light up like carnival rides are actually ctenophores, which have an ancient brainlike structure.

The tripod fish doesn’t swim much. Instead, it stands on three elongated fins, conserving energy while currents deliver food.

It’s not uncommon for newly discovered species to make the news, especially when they are found 5,500 meters underwater. What is unusual, though, is when the naming of the species gets as much ...

The shark was spotted in near-freezing waters, which most species can't withstand A sleeper shark has been spotted in the frigid waters surrounding Antarctica for the first time The sleeper shark was ...