Medieval records of the northern lights extending as far as Japan have led researchers to evidence for a powerful burst of ...

Researchers in Japan traced a hidden medieval solar storm using ancient tree rings and centuries-old sky observations. The ...

Earth's magnetic field was struck by a "severe" solar storm Monday (Jan. 19), triggering vibrant auroras in the U.S. and large parts of Europe. The storm broke a record that had stood for more than ...

Powerful solar activity released by the sun likely created dazzling auroral displays in unexpected areas Monday evening and early Tuesday morning. It could also disrupt satellite-based communications ...

The NOAA Space Weather Prediction Center has confirmed that severe G4 geomagnetic storm conditions have already been reached following the impact of a coronal mass ejection striking Earth.

Imagine the Sun releasing a burst of energy so powerful it could knock out power grids, stop airplanes mid flight, and push our world back into the dark ages. This is not science fiction. It is the ...

(KRON) — A “severe” geomagnetic storm watch has been issued for Monday and Tuesday as the largest solar radiation storm in more than 20 years hits Earth, according to the National Oceanic and ...

Powerful solar activity released by the sun reached Earth Monday, causing colorful auroral displays and GPS issues for aircraft, according to the National Weather Service’s Space Weather Prediction ...