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

The deep sea also harbours some of the most intriguing and alien-like species in existence, yet for several centuries, these ...

A recent video shows a massive bluntnose sixgill shark emerging from the deep sea. This ancient species, predating dinosaurs, ...

The vast array of organisms in the deep sea remains a mystery to humans. Now, marine biologists can add one more puzzle to the list. A collection of odd materials was discovered nearly four miles ...

When Ted Judah goes scuba diving off the coast in Monterey Bay, he normally swims at the surface to the area above the dive ...

Beneath the ocean's surface lies a world of perpetual darkness, home to some of Earth's most bizarre and fascinating creatures. These deep-sea inhabitants have evolved extraordinary adaptations to ...

Scientists could never square theory with data on how certain organisms fixed carbon. Turns out they were asking the wrong question.

BUENOS AIRES, Argentina (AP) — Transparent-faced fish drift through dusky waters. Snowlike flecks of dead plants sift down from the world above. Soft sponges peek through the soot of the seafloor.

Scientists already knew that the pair of shallow coastal ocean dwellers keep very different schedules of downtime: The ...

The three new species were found in Monterey Bay at depths ranging from 2 to 2.5 miles below the surface, researchers said. Getty / iStock Off the coast of Monterey Bay, California, researchers ...

Scientists found a “golden” sea creature “deep within” underwater caves off Saudi Arabia and discovered a new species, a study said. Photo from Getty / iStockphoto On a coral reef off the western ...