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

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

NASA's Solar Dynamics Observatory captured the moon transit the sun. Sunspot AR3311 was active with m-class flares. Credit: Space.com | footage courtesy: NASA/SDP/Helio Viewer| edited by Steve Spaleta ...