KWONG: I want to start by descending in an imaginary submarine to travel to the deep sea. Where is this part of the ocean? What does it look like and what lives there? ORCUTT: The deep sea is a ...

Transparent-faced fish drift through dusky waters. Snowlike flecks of dead plants sift down from the world above. Soft sponges peek through the soot of the seafloor. Only occasional mutters among ...

Researchers have discovered that deep-sea fish generate carbonate minerals at rates similar to shallow species, confirming ...

Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.

This undated image provided by the Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences shows worms and ...