The sunspot that recently rolled across the surface of the sun while spewing out flares has been animated in a magnificent timelapse using NASA SDO images.
NASA followed the biggest sunspot in many years as it roamed across the face of the sun, releasing solar flares along the way.
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.
Every 11 or so years, the sun goes through a period of high, then low activity. A new image from the European Space Agency shows the phenomenon at a glance.
The sun engaged in some spectacular celestial fireworks this week when an enormous solar filament erupted out into space.
With the Apple Watch strap market about to blow up, Apple releases some guidelines. Also, AT&T changes its rules on throttling, and Google accidentally announces its next version of Android. All that and more in your look back at the week in tech.
With no pesky clouds to get in its way, the European Space Agency's Proba-2 satellite captures a stunning view of the moon blotting out the sun.
Giant sunspots took a turn toward Earth this weekend and sent clouds of particles towards Earth, which aren't expected to disrupt communications but could bring auroras to northern altitudes.
NASA unveils a video of "holiday lights on the sun" showing our closest star, clearly feeling festive, spitting out a powerful solar flare.
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?