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

Sky gazers in several U.S. states could get a colorful glimpse of the northern lights as we enter the weekend, thanks to a ...

Millions of Americans could witness the stunning solar light show in different states over the weekend as a higher-strength ...

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

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

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

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 ...

The aurora borealis is back and is expected to be visible in more than 10 states. See which states will have the best views.

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

Skywatchers are set to be dazzled by the northern lights over the coming hours, as a geomagnetic storm builds.