NOAA's GOES-19 satellite peered down into the swirling eye of Hurricane Melissa, revealing spiralling vortices within the ...

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A long-awaited blast of cold air, courtesy of the polar vortex, will overtake much of the US, but the forecast says the low ...

Step inside the strange world of a superfluid, a liquid that can flow endlessly without friction, defying the common-sense ...

A disruptive polar vortex is set to usher in three successive waves of Arctic air across the central and eastern United States through mid-December, bringing dangerously low temperatures and the ...

A flood of international visitors created the need for a new emergency-response system during the FIFA World Cup.

Another brutally cold weekend is on the way as a piece of the Polar vortex dips out of the Arctic Circle, sending frigid air across half of the United States while the other half warms up. Texas will ...

The event displaced the polar vortex bringing much colder weather to portions of North America. The impact of these ...

Bitter cold and snow will be replaced with above-average temperatures for much of the country, forecasters say.

With the polar vortex catching all the buzz in recent weeks, federal forecasters say our old friend La Niña is still a major force shaping winter weather for the United States. Federal scientists from ...

A polar vortex is bringing another round of frigid, Arctic air to the Eastern United States. Temperatures across Tennessee are expected to drop into the low 20s and upper teens over the weekend. There ...