A small but mighty cluster of sunspots have made their biggest mark yet on Earth's magnetosphere—and on the radio signals ...

In 774 AD, a large red cross illuminated the night sky over England, causing a significant stir among the Anglo-Saxons. It ...

Are the Northern Lights dangerous? Solar storms in May and October saw intense displays of aurora borealis across the U.S.

A CME was not produced from the solar flare, which removes the chance for a geomagnetic storm to impact Earth and create ...

In this instance, with such an intense amount of ultraviolet (UV) radiation that accompanied the flare, a shortwave radio ...

Jamie Carter is an award-winning reporter who covers the night sky. What were those red objects ... with even mainstream media outlets reporting that a "solar flare" was seen.

People in the northernmost states may have a chance to see auroras glowing in the northern sky tonight.

The flare was intense enough to potentially disrupt radio signals, navigation systems, and power grids on Earth.

A geomagnetic storm lit up the night sky in parts of the U.S. during ... told reporters that the storm had originated from a solar flare “that erupted from sunspot 3842 on October 3.” ...

ToplineA selection of states in the northern U.S. will have an opportunity to see the northern lights on Tuesday night, ...

skygazers across the world should expect the auroras to blanket the night sky more often across the Northern Hemisphere. So, ...

The results of a massive solar flare from earlier this week could create more amazing light shows for people in the northern ...