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

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

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

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 sun, a searing hot sphere of gas primarily composed of hydrogen and helium, boasts surface and outer atmospheric ...

Solar storms, intensified by the current solar cycle, endanger power grids, satellites, and essential systems. Experts urge ...

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

Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ...

A coronal mass ejection from the Sun is expected to reach us over the weekend. Experts are forecasting not only the ...

The sun’s solar wind, made of charged particles, interacts with powerful eruptions, affecting cosmic rays and space weather.

“In a world that is now so dependent on electricity and electronics, a similar event has the potential to cause widespread ...

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