The four-propeller drone sitting briefly on a rocky and dusty surface in Central America in early March had an impressive diameter of nearly 7 ½ feet. From afar, however, it appeared as just another small rock or outcrop in the steaming crater of Costa Rica’s Poás volcano. This small speck had a big and innovative […]
A four-person University of Alaska Fairbanks team plans to land an unmanned aircraft in the crater of an active Costa Rica volcano this week to sample gas escaping from the soil. The flight will occur as part of an international gathering to better understand the volcano’s plumbing system. The team will use two UAF drones, […]
NOME, Alaska — U.S. Coast Guard Cutter Healy (WAGB 20) and embarked science teams completed the first two phases of the icebreaker’s 2024 Arctic Fall deployment Sunday and continue operations offshore of western and northern Alaska. Healy’s crew and the science teams conducted multiple scientific and seafloor mapping missions, which resulted in the discovery […]
For years, scientists have wondered why North America’s highest mountain is not a volcano. All the ingredients for volcanic activity lurk deep beneath Denali, which sits above where one planetary plate grinds past another. Recently, while looking for something else, researchers found a reservoir of what might be magma, 7 miles beneath the muskeg of […]