A coronal mass ejection earlier this week may pull the northern lights to more northern U.S. states, forecasters said.
A powerful solar eruption created striking auroras in the night sky around the planet on Oct. 10 and 11. See photos.
Strong geomagnetic storms are not frequent but not uncommon. A strong solar storm can produce Northern Lights as far south of the North Pole as Illinois and Oregon. NOAA’s Solar Ultraviolet ...