Sunspot AR4274 erupted with the biggest solar flare of the year and it has Earth in it's sights. The X5.16-class flare was ...

Scientists are currently trying to determine if a coronal mass ejection (CME) was also launched.

A new NASA-led study suggests future extreme solar storms could be stronger than previously thought, with greater risks for satellites, GPS and power grids.

Multiple CMEs are heading toward Earth, with G1-G2 geomagnetic storm conditions possible as the holiday weekend begins.

A solar storm traveling at 1,400 kilometers per second is set to strike Earth on Monday. NASA has issued an alert for a strong G3-class geomagnetic storm. This event is likely to produce colorful ...

NASA-backed researchers identified how the Sun's thin tachocline layer stays stable, improving understanding of the magnetic ...

Fourth of July celebrations across the United States this weekend could be accompanied by light shows in the night skies, as a string of powerful solar eruptions appear set to strike Earth. The sun ...

The effects of extreme space weather may be larger than previously thought, research in the journal Nature reveals. The paper ...

A powerful solar eruption has sparked hopes for Northern Lights visibility over parts of the US around July 4th. NOAA issued a G2 geomagnetic storm watch for July 3rd, meaning auroras could appear in ...

Thousands of excess deaths have been recorded due to intense summer heat, leading several social media posts -- including ...

(NEXSTAR) – Days after Earth was impacted by several coronal mass ejections – explosions of plasma and magnetic material from the Sun – forecasters say a recent solar flare could be directed at us, ...