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.

Step aside, Darth Vader. National Aeronautics and Space Administration (NASA)'s Joint Extreme ultraviolet lithography (EUV) ...