Researchers compared caribou tracking data with satellite observations to learn whether snowpack conditions trigger the animals’ arduous annual migration.
Earth science
Arctic Beavers Advance North and Accelerate Permafrost Thaw
As beavers build dams in new areas, they impound water, warming permafrost adjacent to their ponds.
As Seas Rise, Marshes May Still Trap Carbon—and Cool the Planet
Rising seas spell doom for coastal wetlands trapping carbon—or do they? New research reveals that as these ecosystems transition, they can still trap carbon and possibly cool the planet.
Core Movements Could Be Causing Tiny Shifts in Earth’s Spin Speed
Researchers use ancient eclipse data and new machine learning techniques to understand what processes changed the length of Earth’s days over the past 3,000 years.
The Survival of Arctic Sea Ice May Depend on Its Travel Routes
Researchers find that the motions of ice parcels determine which ones survive the annual summer melt.
Burning Cow Dung Emits an Inordinate Amount of Air Pollution in India
Dried cow dung, a main source of household cooking fuel for many in rural India, releases more particulate matter across the country than wood and other biofuels.
Here’s How the Hunga Tonga Eruption Sounded
New Zealanders’ experiences during the Hunga Volcano’s eruption match seismic monitoring data.
How Volcanologists Can Improve Urban Climate Resilience
City-level strategies to cope with climate change can benefit from the insights of volcano scientists, who have long customized hazard information and communications for local communities.
Explore Washington, D.C.’s Science Scene
Earth and space science hot spots are sprinkled throughout the D.C. metro region.
Getting to the Bottom of Cenozoic Deep-Ocean Temperatures
Reconstructing past ocean conditions with oxygen isotopes could provide more information about how Earth’s climate evolved over time, but methods for reconstructing these data can yield varying results.
