Researchers descended more than 35,700 feet (10,900 meters) below sea level to collect biological samples that revealed ...

Malaysia Airlines Flight 370 is likely resting on the floor of one of the least-mapped sections of the ocean, according to ...

Could lumpy metallic rocks in the deepest, darkest reaches of the ocean be making oxygen in the absence of sunlight?

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

Rhythmic clicks, grunts and roars fill the Año Nuevo Island Reserve in California, home to a large breeding colony of ...