A surprise solar storm also came with a baffling phenomenon that left people in the inland U.S. scratching their heads.

In order to respond to these threats, government agencies need to coordinate. That is where SWORM comes in. Formed in 2014 to ...

A group of participants from several U.S. agencies took part in a first-of-its-kind exercise that tested their preparedness ...

Skywatchers were left surprised, puzzled and awestruck by a mysterious streak of light slicing through the night sky.

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 ...

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

A surprise solar storm turned a NASA simulation into a real-world space weather crisis. As the Gannon geomagnetic storm struck Earth, it disrupted satellites, grounded flights, heated the atmosphere ...

A solar radiation storm struck Earth 14,300 years ago, showering the planet with high-energy particles and leaving a spike in ...

Northern Michigan could see the northern lights, or aurora borealis, the nights of May 16 and 17, weather permitting. Here's ...

X-class flares are the strongest and most intense on the solar scale. Earlier this week, the National Oceanic and Atmospheric ...

The ancient event, over 500 times stronger than any modern storm, would be devastating were it to happen today.