Skywatchers across nine northern U.S. states have a rare chance to witness a dazzling display of the aurora borealis this ...

Forecasters said auroral activity could increase through the night, potentially pulling the phenomenon to more states.

Naturally, the aurora on our solar system's largest planet is hundreds of times brighter and more energetic than our own Northern lights.

Some 13,000 years ago, the sun emitted a huge belch of radiation that bombarded Earth and left its imprint in ancient tree rings. That solar storm was the most powerful one ever recorded. The next ...