A powerful X1.1-class solar flare was released by the sun on March 28, resulting in radio blackouts across North and South ...

Auroras are possible over the U.S. tonight (March 25) as a "moderate" geomagnetic storm hits Earth. UPDATE: The Northern ...

Jupiter got body-slammed by the solar wind, and scientists have finally caught it in action. A massive solar event compressed ...

Solar flares are classified based on their strength and fall into five designated categories: A, B, C, M and X. An X-class solar flare is the most intense type of solar flare and can produce as ...

The other part of the good news is the timing of the possible northern lights. Notice that NOAA forecasts a Kp Index of 4 ...

Aurora chasers are on high alert for geomagnetic storm conditions overnight with northern lights possible at mid-latitudes.

A huge sun eruption combines with speedy solar wind from a "coronal hole" for a weekend aurora show, experts predict.

Some U.S. states could be treated with a northern lights display due a minor geomagnetic storm on the sun, according to space ...

The NOAA NWS Space Weather Prediction Center has issued a G2-level Geomagnetic Storm Warning. It lasts until around 2 a.m.

In 2003, a similarly powerful event, dubbed the "Halloween Solar Storm," affected spacecraft, disrupted satellite TV and radio services and interfered with airline flight communications.