IRIS is NASA's newest toy for studying the sun. It just observed its first solar eruption, and it was a doozy.
A new video shows a burst of light leaping off the sun that is so massive the space agency gives it an X-class rating, which denotes the most intense of all flares.
The sun is getting seriously busy, erupting in its first X-class solar flares — the most powerful flares it can emit.
On 1 May, an enormous plasma flare erupted on the sun — and was captured by NASA's fleet of Heliophysics satellites.
NASA on alert for more after-effects of geomagnetic storm to satellites and spacecraft.
The hour-long outage occurred when the Web security service detected a DDoS attack against one of its customers and tried to defend against it.
As magnetic fields on the sun rearrange and realign, sunspots appear in unstable configurations that lead to eruptions of solar flares.
NASA's Solar Dynamics Observatory records a glowing light bulb-like billowing tower of plasma on Sunday that was more than 100,000 miles across.
An iPhone case maker has come up with a new design that offers to keep stray light from creating purple halos in photos and videos.
NASA has released a video of August's solar flare in 1080p high definition.