The bold question-askers at What If take you deep into five ocean trenches that few humans have ever explored.

In an unprecedented journey to the bottom of the world’s oceans, a highly advanced robot has broken the record for the ...

Vast fields of sea cucumbers and huge tendrils of bacteria that live without the energy of the sun have been filmed at depths of over 26,000 feet beneath the ocean surface in Chile's Atacama Trench.

The Marianna Trench is the deepest area of the ocean, and therefore one of the most mysterious underwater regions in the ...

While the deep ocean is considered one of the most important, and relatively safest, places for mercury to end up, the rates of accumulation were up to 56 times greater than prior estimates.

The Pacific Ocean is riven with oceanic trenches 3-4 km deeper than the ocean bottom that they cut through. These trenches mark areas where continental plates collide in what are known as ...

The Mariana Trench lies in the Pacific Ocean, it is the deepest ocean trench on the planet. Stretching 2,400km, and at 10,935m deep, it is the focus of much deep-sea research.

The deepest oceanic trench on Earth is home to a surprisingly active community of bacteria, suggesting other trenches may be hotspots of microbial life, researchers say. Life in the deep ocean ...

"Deep ocean trenches seem very similar at first glance, but each is different. The Mariana Trench is incredibly vast, while the Tonga Trench is violent and rocky," he said.

Researchers have detected man-made mercury pollution at the bottom of the Mariana Trench—the deepest oceanic trench on the planet. A team of scientists identified methylmercury—a toxic form of ...

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 ...

Samples From Deep Ocean Trench Contain Alarming Levels of Industrial Chemicals PCBs were banned worldwide in the 1980s, but they're showing up in remote parts of the ocean.