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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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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Active Sun Unleashes Massive Solar Flare
A powerful X1.8-class solar flare erupts from the sun on Dec. 19, 2014 in this view from NASA's Solar Dynamics Observatory spacecraft tracking sun weather.
December 20th, 2014
The sun fired off a massive solar flare late Friday (Dec. 19), after days of intense storms from our nearest star. The huge solar flare registered as an X1.8-class event, the most powerful type of flare possible, and was captured on camera by NASA's powe
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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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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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