Three surges of Arctic air will chill the United States over the next two weeks, each one more significant than the last.

By examining six sediment cores from Svalbard, a Norwegian archipelago in the Arctic Ocean, researchers found that the ...

A widespread swath of the country, from the northern Rockies to the East Coast, is bracing for a blast of Arctic air that ...

New research uncovers Arctic Siberia’s dramatic summer warming during the Last Interglacial, transforming ecosystems ...

Interglacials are, as the name suggests, warm periods between planetary glaciations when the expanse of ice on Earth shrinks.

From giant holes in Siberia to legions of beavers in Alaska, the Arctic is changing rapidly and accelerating the climate ...

Scientists found a whole 50,000-year-old baby mammoth in the Siberian permafrost—one of the only 7 whole mammoth carcasses ...

From Alaska to Siberia, the Arctic is changing so rapidly that there is no "normal" there now, scientists warn. The consequences reach across the globe. The Arctic tundra now releases more carbon ...

This shift disrupts the World Magnetic Model (WMM), essential for navigation in GPS systems, smartphones, and military ...

The Batagaika crater in eastern Siberia, half a mile wide and growing, is the largest of many across the Arctic. As permafrost laced with buried ice thaws, the ground collapses, forming craters or ...