A huge sun eruption combines with speedy solar wind from a "coronal hole" for a weekend aurora show, experts predict.
Aurora? Sorta! The northern lights were trending on social media Thursday, but don't get your hopes up too much. Only a ...
Read more: You Can Watch a Once-in-a-Lifetime Cosmic ... And it can come and go. You might see an aurora, then think it's disappeared, only to have the sky light up again an hour later.
Aurora chasers are on high alert for geomagnetic storm conditions overnight with northern lights possible at mid-latitudes.