Willie Geist wraps up Sunday TODAY by sharing mug shots sent in by viewers. This week, Willie gives a shout out to Kelley and ...

The agency expects a minor or greater geomagnetic storm—a disturbance of Earth’s magnetic field—on Saturday, which increases ...

The effects of a coronal mass ejection—a bubble of plasma that bursts from the sun’s surface—will likely impact Earth’s ...

The colorful northern lights may reveal themselves to a wide swath of Americans Friday night due to an impending solar storm ...

Another display of the northern lights could be visible this weekend in several U.S. states following a severe solar storm.

The colorful northern lights may reveal themselves to South Dakotans Friday night due to an impending solar storm forecast to ...

Throughout the northern United States, there might be a chance to catch a glimpse of the northern lights, or aurora borealis, ...

Northern Michigan will have a low chance of viewing the northern lights Saturday night, with a G1 minor solar storm expected, ...

NASA plans to fly two rockets through active auroras and study the unique ribbons of light that dance across the Alaskan ...

The sun is currently at solar maximum, according to NASA, the peak of activity in its natural cycle, which is creating more ...