Skywatchers across the United States have a golden opportunity to witness one of nature’s most breathtaking spectacles.

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.

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

This Valentine’s Day, parts of the U.S. may witness the aurora borealis due to a G1 geomagnetic storm forecasted by NOAA.