A solar explosion called a coronal mass ejection is poised to graze Earth on Friday or Saturday (Jan. 24 or Jan. 25), ...

Aurora chasers are on high alert for minor geomagnetic storm conditions from Jan. 24 through to Jan. 25. Northern lights ...

Solar storms pose a rising threat to power grids, satellites, and communications. Experts call for urgent preventive measures ...

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

Researchers have created an improved traffic light system for predicting geomagnetic storms. They are now testing how well ...

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

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

A powerful solar eruption created striking auroras in the night sky around the planet on Oct. 10 and 11. See photos.

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

Solar storms are disturbances on the Sun, which usually emanate outward across the heliosphere, affecting the entire Solar System, including Earth and its magnetosphere. Now, scientists at NASA ...

Flickering coronal loops in the Sun's outer atmosphere could act as an early warning system for solar flares, according to ...

Auroras could light up the night sky following a severe solar storm. Another display of the ... in a dazzling light show when they reach Earth. Auroras occur when a blast of solar material and ...