For the new study, scientists analyzed the top section of 20 sediment cores from the bottom of the Japan Trench, a 5-mile-deep (8 km) tectonic chasm located off the east coast of Japan along the ...

Organisms in the deep sea rely on gravity flows to lay down sediment and then make burrows beneath the seafloor, according to a new study.

The researchers from the Japan Agency for Marine-Earth Science ... more than 9,000 meters deep along a trench off the Boso Peninsula, and nearly 6,000 meters deep on an abyssal plain located ...

TOKYO -- With Japan's main deep-sea research vessel set to go out of service as early as the 2030s and no replacement in sight, the country risks falling even further behind China, which has the ...

Analyses of sediment cores from the Pacific Ocean's Japan Trench, presented in Nature Communications, uncover evidence of burrowing and feeding activity of these deep-sea dwellers. The Hadal Zone ...