New scans of the bottom of the Japan Trench reveal extensive burrow structures and evidence of regular "reset" events that ...

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.

Traces of organisms detected in sediments from 7.5 kilometers below the ocean surface reveal how organisms living in the deep sea are engineering their own environments. Analyses of sediment cores ...

The contents of three large metal cases have changed our understanding of life under the ocean. Inside were vials of sediment ...

A first-of-its-kind global assessment has revealed 603 wild animals plus five livestock taxa that do more than just inhabit ...

The contents of three large metal cases have changed our understanding of life under the ocean. Inside were vials of sediment hauled up from a record 8km below the surface of the Pacific Ocean.

Eleven explosive ordnance disposal divers with the Japan Maritime Self-Defense Force’s Sub Area Activity Okinawa unit ...

A "megaquake" hitting Japan in the next 30 years could trigger 100-foot tsunamis and kill hundreds of thousands of people.

The estimate was made for a magnitude-9.1 earthquake in the Japan Trench, which stretches from off Tohoku to off Hidaka in Hokkaido, and a magnitude-9.3 earthquake in the Chishima Trench ...

The central government projects that a magnitude-9.1 megaquake would cause as many as 199,000 fatalities if one struck late at night in winter in the Japan Trench, part of the Pacific Rim of Fire ...

The panel explains that these areas have high probabilities because massive earthquakes centering in the Chishima Trench, Japan Trench and the Nankai Trough have been occurring at intervals of a ...