The Mariana Trench, the deepest part of the world’s oceans, has long captivated scientists and explorers alike. Located in the western Pacific Ocean, this mysterious underwater canyon reaches depths ...

The Mariana snailfish or hadal snailfish might hold the record for the deepest fish in existence. They are relatively small, ...

Researchers were looking for carbon-14 in hadal trench organisms to find out if organic material with elevated levels of bomb carbon from the surface had reached the depths of the oceans.

The Mariana Trench is more than 7 miles (11 kilometers) deep. Although it is a toxic environment, some creatures of the deep thrive there.

To what extent did the nuclear tests in the 20th century affect the planet? Evidently, even the creatures at the Mariana Trench have remnants of radioactive carbon in their muscles.

Tiny creatures in the Mariana Trench have high levels of industrial contamination. The new findings suggest that even Earth's most remote locales feel the effects of human beings.

Even deep-sea creatures can't escape pollutantsSurprising Levels of Pollution Found in the Depths of the Mariana Trench Even deep-sea creatures can’t escape pollutants ...

How do fish survive in the extreme conditions of the deep sea—amid icy cold, darkness, and immense water pressure? A genomic study provides surprising answers: A single mutated gene might have ...

As if preparing for battle, some shrimplike creatures suit up in aluminum armor to survive the ravages of the deepest part of the oceans, a new study finds. In the extreme pressures of the deep ...

To test the performance of the robot in the Mariana Trench, the team attached it to a "lander" that dropped to the seabed, about 35,000 feet beneath the surface.

In Pacific Rim, our world is under constant threat of whatever emerges from the trench. In the real world, the residents of the Mariana Trench are less dangerous but just as interesting.