During solar storms and other sun-related events, the oval expands southward into the Upper Midwest, bringing the northern lights to skywatchers at lower latitudes. Rarely does it sit directly over us ...

The Sun periodically ejects huge bubbles of plasma from its surface that contain an intense magnetic field. These events are ...

Here's when and how to spot another round of northern lights that may be visible on Wednesday, Feb. 19 from a select number ...

NEW ORLEANS — Solar sails that allow satellites to glide on the light from the sun could soon become a reality. The ...

Scientists discovered tiny jets on the Sun that power both fast and slow solar wind. These jets eject particles and shape ...

A minor-to-moderate geomagnetic storm is expected Saturday night, the National Oceanic and Atmospheric Administration said.

During Valentine's Day weekend, northern parts of America, including Maine, may have a chance of seeing an aurora. But space ...

Geomagnetic storms also cause problems on Earth. The electric currents they create can overload power plants and cause ...

It will be seasonably chilly, with highs in the mid 40s. A significant winter storm will impact the region Tuesday into Tuesday night: Most areas will see just rain on Wednesday, but some mix or ...

Winter storms are about to blitz through the eastern half of the United States at a frenetic pace that could continue for a couple of weeks. The jet stream, essentially a river of air in the ...

A winter storm is forecast to spread ice and snow across portions of the central and eastern U.S. Wednesday, bringing widespread travel troubles and also the threat of power outages. Although snow ...