In the space of a week, the largest sunspot seen in 24 years has erupted in six massive flares, five of which were categorised X-class.
An X-class solar flare -- the biggest class of solar flare -- has erupted from the sun straight towards Earth, and geomagnetic storms are on the way.
August 24 and 25 saw a surge in solar activity, with NASA's Solar Dynamics Observatory capturing a series of stunning photos of three coronal mass ejections.
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.
Gymkhana is the art of getting round a complicated track efficiently, quickly and with a little flare. Can the XCAR boys learn enough in a day to tackle a full track in a competitive time? CAT Driver Training thinks they can and tried to teach XCAR.
Apple used newly developed photo- and video-editing software to help showcase the power of the new iPad Air 2's A8X chip.
A cloud of solar material stretching across the sun has caught NASA's attention, and it's a wonder to behold.
A new 400mm supertele is just the beginning. Canon also says it plans a replacement for its 100-400mm zoom and new compact models using diffractive optics.
Microscopic artwork shows off the beauty of bacteria and living cells using media such as cancer for artistic expression. And it's kind of gross, too.