(OurAmazingPlanet) It's a familiar saying in the world of oceanography: Don't put anything over the side of the ship that you're not willing to lose. Jenan Kharbush, a marine chemistry graduate ...

The Tonga Trench Expedition runs Aug. 31-Sept. 6, 2012 and is led by graduate students from Scripps Institution of Oceanography at UC San Diego. The research cruise, funded by the UC Ship Funds ...

Rare footage of a bigfin squid captured by a ROV deployed 11,000 feet deep in the Tonga Trench. Credit: Deep Sea Research Center, University of Western Australia ...

The Five Deeps Expedition should really rename itself the "Eight (or maybe) Nine Deeps Expedition." What began as a quest to explore the deepest locations in each of the world's five oceans has ...

A team of seismologists analyzing the data from 671 earthquakes that occurred between 30 and 280 miles beneath the Earth's surface in the Pacific Plate as it descended into the Tonga Trench were ...

Water dragged into Earth’s interior helps melt rock, but near the Tonga trench there’s the least magma where there’s the most water. A three-dimensional seismic image of the mantle beneath the Lau ...

Sites of plate convergence (subduction zones) have a key role in material recycling on Earth. A volcanic arc is the surface expression of subduction-accompanied dehydration and partial melting ...

Researchers aboard the ship Revelle retrieve an instrument sent down into the Tonga Trench, the second deepest trench in the ocean, during an expedition in the summer of 2012. It's a familiar saying ...

Rare footage of a bigfin squid captured by a ROV deployed 11,000 feet deep in the Tonga Trench. Credit: Deep Sea Research ...

Tonga is a seismologists' paradise, and not just because of the white-sand beaches. The subduction zone off the east coast of the archipelago racks up more intermediate-depth and deep earthquakes than ...