Top Department of Defense civilian and military leaders visited the University of Alaska Fairbanks Geophysical Institute in late August and learned about the numerous ways the institute’s facilities and researchers support the nation’s defense in the Arctic. Undersecretary of Defense Heidi Shyu visited on Aug. 24, and Air Force Lt. Gen. David Nahom, commander of […]
The first use of a novel method of analyzing Mars’ gravitational force supports the idea that the planet once had an extensive northern ocean. In doing so, the method defines the scope of what scientists refer to as the northern Martian paleo-ocean in more detail. The work was published in July in the journal Icarus, which is affiliated with […]
Mount Edgecumbe volcano in Southeast Alaska has become the latest addition to the Alaska Volcano Observatory’s ground-based monitoring network. An observatory team in early September installed three seismic and Global Navigation Satellite System stations on the reawakened volcano and upgraded the only existing station in the vicinity, a temporary one on nearby Crater Ridge. “This […]
Most of Earth’s near-surface permafrost could be gone by 2100, an international team of scientists has concluded after comparing current climate trends to the planet’s climate 3 million years ago. The team found that the amount of near-surface permafrost could drop by 93% compared to the preindustrial period of 1850 to 1900. That’s under the […]