A recent underwater expedition has revealed a thriving network of creatures at the bottom of deep-sea ocean trenches. These extreme environments, with crushing pressure, scant food, and no sunlight, ...

The bumpy snailfish, discovered 10,000 feet down off the coast of California, shows that not all denizens of the abyss are ...

Just as Earth’s land surface has enormous peaks and valleys, the oceanic world has similarly varied topography. Perhaps the most intriguing of these features is the Mariana Trench — a chasm in the ...

Amazingly, these trenches lie at depths greater than the height of Mount Everest, Earth's tallest peak. The deepest one reaches 9,533 metres (31,276 feet) below the ocean surface in the ...