Gray whales, a signature of the Washington coast, are dying by the thousands, victims of declines in Arctic sea ice.

The unexpected threat posed by melting permafrost — including ground instability and infrastructure collapse — is outlined in ...

The Tara Polar Station, a $23 million research vessel with a crew of 12, will drift across the Arctic ice to enable better ...

A groundbreaking study reveals that the Transpolar Drift, a major Arctic current, is far more dynamic than once thought. As ...

Sea ice extent in the Arctic has decreased by about 40 percent since 1979. New technologies are being deployed to regrow it.

A rare and abrupt disruption in the Arctic polar vortex is expected to impact spring temperatures across Europe and parts of ...

The polar vortex is diminishing and meteorological conditions are fast shifting, which might impact the Ice Saints in May.

A significant disruption to the polar vortex over far Northern Canada will keep the pattern’s influence locked in our neck of ...

The Old Farmers Almanac has predicted the last frost dates across the U.S. for 2025 -- and some in the Chicago area might be ...

When the polar vortex begins to wobble and allows arctic air to spill south into northern Illinois in January, we usually end ...

On March 9, the polar vortex wobbled and then snapped back the other way as mighty winds, suddenly shifting from the west to the east - something that typically happens once a year - usually in the ...

The polar vortex is a gigantic ... in the winter and usually tends to keep the coldest weather bottled up in the Arctic. Previously this winter: Icy air has descended on the US.