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IRIS is NASA's newest toy for studying the sun. It just observed its first solar eruption, and it was a doozy.
An enormous coronal mass ejection has sent particles into space that are due to pass the Earth in the next three days.
The sun is getting seriously busy, erupting in its first X-class solar flares — the most powerful flares it can emit.
A fascinating NASA presentation suggests that in July 2012 Earth was one week away from being struck by a massive solar storm that would have had devastating effects. Can this be?
On 1 May, an enormous plasma flare erupted on the sun — and was captured by NASA's fleet of Heliophysics satellites.
NASA's Solar Dynamics Observatory (SDO) has captured a gorgeous image of a massive eruption that could engulf the Earth several times over.
New observations from the agency's STEREO spacecraft have provided researchers with a first-ever view, end-to-end and in three dimensions, of the impact of a solar storm on Earth.
Stunning media shows a terrifyingly large ejection of electronic-disrupting particles leaving the sun at impossible speeds. Where's it going? We've got the answer.
Chicago Mercantile Exchange has long derived benefits from Linux, and now it's giving back.