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 ...

What You Need to Know: In May 2002, the Navy research submarine USS Dolphin caught fire and partially flooded near San Diego while resurfacing to recharge its batteries. -All 43 crew members survived, ...

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 ...

Outnumbered and outgunned, the crew of the U.S.S. Johnston fought overwhelming odds before their ship sank more than 21,000 feet into one of the world’s deepest submarine chasms. The U.S.S. Johnston ...