Narrow your search
On 1 May, an enormous plasma flare erupted on the sun — and was captured by NASA's fleet of Heliophysics satellites.
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.
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.