As one blast of Arctic air pushes out to sea, already a new surge of cold air, driven by a breakdown of the polar vortex, is ...

Bitingly cold Arctic air keeps pummeling the U.S. with ruthless cold snaps—despite warming winters nationwide. A study explains why: the solution lies far above your head, in the upper atmosphere ...

The polar night jet, the high-altitude winter wind that circles the Arctic, acts like a flywheel for the cold season in the ...

A powerful photo series showing polar bears wandering through abandoned buildings on a remote Russian island has captured the world's attention — but experts say it's not just an eerie snapshot. It's ...

An Arctic blast is expected to bring below-average temperatures to the central U.S. and New England in late November and early December. A weakening polar vortex, influenced by a rare weather ...

Scientists in a recent breakthrough have discovered a paradigm shift in polar bears’ genetics, helping them to adapt to disastrous realities of climate change. Owing to human-caused ...

Impacts of stratospheric polar vortex shift on the wintertime East Asian trough (EAT) on intraseasonal time scales are investigated using a reanalysis dataset and a climate model. The result based on ...