A strong solar flare-up could bring auroras to the far north, and might even be visible in some U.S. states on Wednesday.

Residents across Northern California and the Sacramento region witnessed a striking light show in the night sky on Thursday evening.

Up to 12 northern U.S. states have the best chances of catching a glimpse of the auroral glow: Alaska, Washington, Idaho, ...

A grouping of northern states in the U.S. could have an opportunity to see the northern lights on Tuesday, though no geomagnetic storms are forecast, according to the National Oceanic and Atmospheric ...

Some states in the northern U.S. might have an opportunity to see the northern lights Tuesday, and recent solar activity may make the phenomenon visible in more states later this week, according to ...