TOKYO -- The world's deepest-diving submarine has disappeared in the choppy Pacific Ocean off Japan, a setback to deep-sea research on everything from earthquakes to rare bacteria. Kaiko, a bright ...

Submarines are pretty cool bits of kit. They can offer researchers an unrivaled view of the ocean floor, help search out missing wrecks beneath the waves and can even ferry about the rich and famous, ...

An international team of researchers has successfully captured the internal structure of the longest-runout sediment flow ever recorded on Earth. Using seismic measurements, the researchers have for ...

Turbidity currents are an important natural process that often goes unnoticed: these powerful currents beneath the ocean surface carve deep submarine canyons, create huge sediment deposits and can ...

Killer whales foraging in deep submarine canyons off the coast of California represent a distinct subpopulation that uses specialized hunting techniques to catch marine mammals, researchers report.