States within Tuesday’s viewing line (see map below) include Alaska, northern Washington, northern Idaho, Montana, ...

Aurora Borealis geomagnetic storm sparks rare light shows while posing hidden risks to power grids, GPS signals, and ...

The aurora borealis may be visible in Canada and nearly a quarter of the United States on October 28 and 29 due to strong ...

We may receive a commission on purchases made from links. If you look up at the sky late at night and see clouds of multicolored light swirling in the darkness, you aren't witnessing an alien invasion ...

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

In August, over a calm Michigan lake, Karl Duesterhaus, 34, of Chicago, was treated to an unusual phenomenon: the northern lights, which appeared as hazy colors in a brighter-than-usual night sky. It ...

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.

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 ...