An underwater voyage has revealed a network of creatures thriving at the bottom of deep-sea ocean trenches. In these extreme ...

Researchers traveling along the Kuril–Kamchatka and Aleutian trenches in the northwest Pacific Ocean used a manned ...

Their manned descent to the Challenger Deep, about 36,000 feet below the ocean, marked a significant milestone for humanity, per the Department of Defense.

Challenger Deep, the lowest point in the deepest canyon on Earth, lies 35,876 feet below sea level at the southwestern extreme of the Mariana Trench (6.8 miles, or 10.9 kilometers).

In the summer of 2024, an expedition ventured to the depths of the ocean, navigating through waters 31,000 feet deep (for ...

This map shows the locations of deep-sea dives carried out between 1958 and 2024. Expeditions have focused on a small number of places, mainly around the United States, Japan and New Zealand.

Scientists have mapped almost every Martian crater but only about 20% of the seabed. Yet interest in the ocean is growing. A trio of new books plunges into the deep.

Deep in the ocean, scientists discovered the presence of "dark" oxygen, which is oxygen produced without photosynthesis. Oxygen was previously thought to require light to be produced; the new ...

For us land-dwellers, being crushed under several miles of ocean water wouldn’t end very well. But for a deep-sea dwelling ctenophore, also known as a comb jelly, being brought up to the surface ...