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

An international research group has found that extreme cold snaps in the United States are driven by disruptions in a high-altitude Arctic air mass called the polar vortex, Hebrew University of ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S.—and this study explains why. Researchers found that two specific ...

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 ...

Because of an unstable polar vortex, experts have projected record low levels of Arctic sea ice for the coming winter.

NASA has selected three instruments to travel to the moon, with two planned for integration onto an LTV (Lunar Terrain ...

U.S. Secretary of Agriculture Brooke L. Rollins announced today that agricultural producers who suffered eligible crop losses ...