Hadal trenches are one of the ocean's most extreme and least studied regions. Hadal zones, which begin at depths of around 6,000 meters, were once thought to be "biological deserts," but over time ...

The Earth's deep-sea trenches are some of the least explored places on Earth—as they are very difficult to access, are pitch black and the pressure is extremely high. Collecting samples and making ...

Radioactive carbon released into the atmosphere from 20 th-century nuclear bomb tests has reached the deepest parts of the ocean, new research finds. Organisms at the ocean surface have incorporated ...

At the bottom of the Mariana Trench, in a slot called Challenger Deep, water temperatures hover only a few degrees above freezing and not a single photon of sunlight arrives. These conditions are not ...

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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Vast fields of sea cucumbers and huge tendrils of bacteria that live ...

Researchers on a deep-sea expedition have found PCB in sediment samples from the more than 8,000-meter-deep Atacama Trench in the Pacific Ocean. PCB has been banned in most countries since the 1970s, ...

The ocean is deep. In fact, most of it is deep. Officially anything deeper than just 200 metres is considered the “deep sea”, but the average depth of the entire ocean is about 3.5km and the deepest ...