A coronal mass ejection hurtling from the sun toward Earth could trigger a geomagnetic storm, making the northern lights visible in up to 18 US states

NOAA forecast a Kp index of six on a scale of nine for Thursday night, suggesting aurora borealis will move farther from the poles and become “quite bright and active.” Thursday’s auroral forecast comes as minor to moderate geomagnetic storms are expected Thursday night and early Friday morning,

A rare solar storm may trigger the Northern Lights across parts of the northern U.S. on Aug. 7 and 8. If you’re in a few lucky states tonight, look up at the sky for a colorful show. The aurora borealis,