Scientists and shipboard crew await the arrival of a new sediment core onboard research vessel RV Sonne in 2016. Credit: T. Schwestermann Active margins, where an oceanic plate slides under a continental plate, may cause earthquakes and tsunamis. Further, they are known for shifting sediments from margin slopes into deep […]

The Mount Ulawun volcano is one of the world’s most hazardous Papua New Guinea’s volatile Ulawun volcano—designated one of the world’s most hazardous—erupted Wednesday, spewing lava high in the air and sending residents fleeing. A pilot for Niugini Helicopters flying near the crater witnessed a column of lava spurting vertically […]

Researchers have discovered 56 previously uncharted subglacial lakes beneath the Greenland Ice Sheet bringing the total known number of lakes to 60. Although these lakes are typically smaller than similar lakes in Antarctica, their discovery demonstrates that lakes beneath the Greenland Ice Sheet are much more common than previously thought. […]