A huge sun eruption combines with speedy solar wind from a "coronal hole" for a weekend aurora show, experts predict.

The aurora borealis will be more visible than usual Sunday night, the National Oceanic and Atmospheric Administration projects, potentially giving Americans in 10 states a view of the northern lights.

The darkest areas are always the best places to see the aurora borealis, according to the experts. Depending on local conditions, the best views are expected in Alaska and along the northern ...