A coronal mass ejection -- a massive burst of solar material and magnetic field from the sun's outer atmosphere -- is ...

A powerful M8.1 solar flare sent a full-halo coronal mass ejection toward Earth, and scientists expect it to trigger strong ...

Will the northern lights return for a third night over Ohio? What's the best time to see them? Here's what to know.

NOAA is predicting northern lights from Washington, to Michigan, to New York and Maine Tuesday. Here's what time to look up.

The National Oceanic and Atmospheric Administration (NOAA) has issued a strong geomagnetic storm watch for Monday evening, ...

Geomagnetic storms are disturbances in Earth's magnetic field caused by solar activity, particularly from coronal mass ejections (CMEs). These CMEs release massive bursts of solar material and ...

A coronal mass ejection (CME) is an outburst of solar material, plasma, and magnetic fields from the sun’s outer atmosphere. CMEs are common, but a particularly strong one was observed early Tuesday ...

Thanks to a recent geomagnetic storm, some Americans will be able to see the northern lights on Dec. 8 and Dec. 9.

Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar ...

Space weather experts are monitoring for the potential of a so-called "cannibal geomagnetic storm" Wednesday, which could produce an even more brilliant display of the Northern Lights which dazzled ...

The northern lights could return to Ohio as another solar storm targets the Earth. Here's when the aurora could glow overhead ...