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 ...

When we dream of landscapes, we might imagine rolling valleys or rugged mountains. But there is a whole landscape hidden from human view: the secret world of the seafloor.

Marine researchers exploring extreme depths say they have discovered an astonishing deep-sea ecosystem of chemosynthetic life that’s fueled by gases escaping from fractures in the ocean bed. The ...

Oceanic trenches are topographic depressions of the seafloor, relatively narrow in width, but very long. These oceanographic features are the deepest parts of the ocean floor. Oceanic trenches are a ...

Photos and video of one of the deepest points of the South Pacific have been shared by Texas millionaire Victor Vescovo, who visited the San Cristobal Trench for his latest expedition. Vescovo, who is ...

Hadal trenches, with their deepest locations situated in the so-called hadal zone, the deepest parts of the ocean in water depth >6km, are the least-explored environment on Earth, linking the Earth's ...

Scientists have found that man-made mercury pollution has reached the bottom of the deepest part of the ocean - the Marianas Trench. This has significant implications for how mercury affects the ...

The mysteries of our ocean are not fully understood. The deepest, darkest areas may conjure up ideas of monsters like the megalodon from the Jason Statham movie. Though there are creepy creatures down ...

The sinking carcasses of fish from near-surface waters deliver toxic mercury pollution to the most remote and inaccessible parts of the world's oceans, including the deepest spot of them all: the ...