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

Wednesday marks the start of 2025, and there’s a chance New Year’s Day will see flurries and light snowfall in Lexington, but ...

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

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

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

Learn why the magnetic north pole has been moving away from Canada and toward Siberia over the past century, accelerating in ...

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