Space Weather, Solar Flares & Sun Storms: Latest News

See our amazing collection of stories and features about the increasingly important topic of space weather (aka solar storms).
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Monster Sunspot May Unleash Powerful Solar Flares (Video)
Active Region 12192, a sunspot, is likely to produce coronal mass ejections, which could wreak havoc on satellites and power grids.
November 25th, 2014
The largest sunspot to appear on Earth's nearest star in more than two decades is once again pointed at the planet, and it will likely kick-start solar storms, NASA scientists say.
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Weak Sun Poses Radiation Risk for Mars-Bound Astronauts
Illustration of Heliosphere
November 8th, 2014
A weakening sun will more easily push Mars-bound astronauts beyond standard NASA radiation safety limits, putting them at increased risk for cancer, a new study warns.
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Giant Sun Storm of 2012 Shown in Fiery Detail (Video)
2012 Solar Storm
December 14th, 2014
NASA released a video with incredible views of the massive coronal mass ejection that erupted from the sun in July 2012.
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Giant Sunspot Keeps Firing Off Huge Solar Flares
X2-class solar flare
October 27th, 2014
The largest sunspot observed on the sun in more than 20 years has been firing off powerful solar flares for the past week, and it's still producing strong solar storms.
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Megasunspot's Solar Outbursts Surprise Scientists
'Supersunspot' AR2192 Flares
November 11th, 2014
A humongous sunspot — the biggest one seen since 1990 — has so far produced no aurora-causing events, despite sending off 10 huge solar flares in less than two weeks.
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