People in Wyoming, New Hampshire and Maine—along with 12 other states—may be able to see the aurora borealis Sunday night.

NASA has issued a warning about an incoming geostorm, a powerful solar storm that could disrupt power grids, satellites, and ...

Last year, the Sun delivered an impressive spectacle with a series of powerful solar flares. These events led to the ...

Sporadic E layers lit up during a solar storm, moving from poles to equator—surprising researchers and revealing potential communication threats.