The Northern Lights have been illuminating skies across the U.S. this week, and some lucky spectators may get another chance to see the aurora borealis into Thursday.
The big picture: Intense G4 geomagnetic conditions, the second-highest on the National Oceanic and Atmospheric Administration's five-step scale, produced magnetic conditions that were "eight times stronger than what's normal" on Tuesday night, NOAA's Space Weather Prediction Center forecaster Shawn Dahl said in a video on X.
