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The Solar Dynamics Observatory has the ability to stare at the sun without going blind, and it captures all kinds of colorful activity in the process.
On 1 May, an enormous plasma flare erupted on the sun — and was captured by NASA's fleet of Heliophysics satellites.
The U.S. space agency is launching a new mission tasked with getting a better understanding the sun's ultraviolet emissions and their impact on Earth.
The sun is getting seriously busy, erupting in its first X-class solar flares — the most powerful flares it can emit.
It's time to end all the end-of-times chatter. NASA and others are working to dispel the 2012 end-of-the-world rumors.