With a new flu virus variant circulating, scientists fear more sickness this winter. The vaccine may be slightly less ...

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December across parts of the Northern Hemisphere.

A significant disruption of atmospheric patterns around the Arctic is expected to begin over the next few weeks, which could ...

Solar storms may bring faint but visible auroras to the Northern Hemisphere starting late Thursday and extending into early Friday morning.Related video above: Northern lights illuminate Wisconsin ...

A rare atmospheric shake-up could bring another round of major cold and stormy weather across the United States and Europe.

Another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to Kentucky.

The United States weather agency has issued a G4 geomagnetic storm watch alert, implying severe storms expected.

Nature offers many dazzling displays, from jagged flashes of lightning to radiant sunsets. But perhaps one of the most ...

Georgians may have a rare chance to see the northern lights, also known as the aurora borealis.

Photos show the lights illuminating the sky in vivid color across the U.S. this week. They'll be visible again in some states ...