Aurora borealis is a phenomenon caused by electrically charged particles from space entering Earth’s atmosphere. When those particles collide with gases like oxygen and nitrogen, it gives them energy.

Another geomagnetic storm will expand visibility of the aurora borealis. Here's how the celestial phenomenon works and where ...

Space weather forecasting is decades behind Earth’s meteorology. Learn what makes auroras so unpredictable—and the real-time ...

NOAA says residents from northern to central Minnesota, and northern Wisconsin have a slight chance to see the aurora borealis on Monday and Tuesday nights.

For the second time in October, Iowans have a chance to see the aurora borealis, the National Oceanic and Atmospheric Administration reports. A fast coronal ejection, which is an eruption of solar ...

Sunday night’s forecast might be upgraded as minor geomagnetic storms are likely, following the effects of high-speed winds from a cooler, less dense spot on the sun’s surface, according to NOAA’s ...

There is a chance for some geomagnetic storms, potentially making the phenomenon visible in more states, forecasters said.