(NEXSTAR) — On Friday night, the most significant G5 geomagnetic ... from the sun) reach Earth, they carry with them their own magnetic field, explained Robert Steenburgh, a space scientist ...

You may like Aurora alert: Giant 'hole' in sun and strong geomagnetic ... to last year’s extreme G5 storm. But last night was something special." MacDonald told Space.com in an email.

Solar eruptions created a northern lights display in North America and Europe overnight, with more auroras expected through Thursday.

Heads up aurora chasers! Powerful geomagnetic storm conditions could trigger northern lights at mid-latitudes overnight as a CME impact is detected and more could be on the way.

with G5 being the most severe. The Space Weather Prediction Center still expects the aurora borealis to be visible over North America again tonight. The most intense auroras will be over Alaska ...