The mechanism involves atmospheric waves that bounce between the upper atmosphere and ground level, amplifying weather patterns and making them more extreme. Scientists call this “stratospheric wave ...

A polar vortex collapse could bring cold weather to the UK later this month, the Met Office has warned. The weather forecaster said there is a 70% chance of a sudden stratospheric warming (SSW ...

Climate change has tripled the frequency of atmospheric wave events linked to extreme summer weather in the last 75 years and that may explain why long-range computer forecasts ...

Map shows return of cold weather amid polar vortex collapse warningStory by Jasper King • 3mo 1 / 9 ©Metro ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

Three factors are combining to increase the likelihood of a weaker polar vortex this winter, the website reports. And a ...

Every year, weather enthusiasts eagerly watch and wait for signs that the polar vortex, a mass of cold air spinning around the Arctic, might meander south, sending cold and snow into the lower ...

Much of the U.S. is being blasted by ice, snow and wind, as the polar vortex that dipped south over the weekend is maintaining its frigid grip.

This winter, with record snow in New Orleans and drought and destructive wildfires in Southern California, has not been normal.

NASA's newest astrophysics space telescope launched in March on a mission to create an all-sky map of the universe. Now ...

Israel has escalated its bombardment of Iranian cities, including Tehran's state television headquarters; Iranian missiles have struck Tel Aviv.