What's at the bottom of the Mariana Trench, and how do we know? How deep does the ocean go? We'll answer these questions and ...

The ocean basins are so vast and deep that they hold about 97 percent of the Earth's water. Sea water that's trapped in glaciers and ice caps accounts for another two percent. Do the math: That means ...

The Pacific Ocean is home to some of the deepest points on the planet. In fact, four of the top six deepest spots in the world can be found in the Pacific. The Pacific's basin is uniquely low, which ...

From the deep ocean floor to vast underground caverns beneath our feet, these places challenge our understanding of the world.

The Atacama Trench, located off the coast of Peru and Chile, is one of the deepest oceanic regions on our planet, and scientists think it could be an ecological haven. A new study describes a four ...

NEW YORK -- An underwater voyage has revealed a network of creatures thriving at the bottom of deep-sea ocean trenches. In these extreme environments, the crushing pressure, scant food and lack of ...

Six miles below the oceans wave where sunlight never reaches, life persists, sustaining itself off of chemicals seeping from the ocean floor.

In the darkest depths of the ocean, the eerie and elusive telescope fish thrives with alien-like eyes, extendable jaws, and a ...

In these extreme environments, the crushing pressure, scant food and lack of sunlight can make it hard to survive. Scientists know that tiny microbes prosper there, but less is known about evidence of ...

NEW YORK — An underwater voyage has revealed a network of creatures thriving at the bottom of deep-sea ocean trenches. In these extreme environments, the crushing pressure, scant food and lack of ...