It appears to be an alien planet. What is the ocean's deepest point? What lives in the Mariana Trench—and what has been discovered recently?

The ecosystem is home to seamounts, hydrothermal vents, deep-sea trenches and species found only in its freezing water. They are called the South Sandwich Islands, and researchers with the Schmidt ...

A calving iceberg exposed a region that never before had been seen by human eyes, revealing a vibrant, thriving ecosystem ...

Learn more about some of the best new discoveries: ...

A harrowing bit of footage has resurfaced, capturing the moment where a camera was gripped and attacked by a creature in the ...

Deep-sea fish thrive in extreme pressure, darkness, and pollution, revealing new survival mechanisms and threats.

Giant deep-sea spider spotted crawling on ocean floor near Antarctica - Researchers suspect species grows so large partly due to cold temperatures of their environment ...

The deep sea, covering approximately 65% of Earth's surface, has long been considered a biological desert. In this extreme ...

Researchers were in a remote region of the Bellingshausen Sea on a different expedition when the iceberg calved, giving them a chance to change course and explore a region never before accessible to ...

Mining of polymetallic nodules from the seabed might lead to significant and long-lasting ecological changes -- both in the mined area, where surface sediments and the fauna living in and on it are ...