Sunspot AR3184 erupted with an X1.9-class solar flare. NASA's Solar Dynamics Observatory (SDO) captured the fireworks. The ...

The brilliant aurora was followed by a major geomagnetic storm triggered by a solar flare emitted from the Sun last Friday.

Sunspot AR3311 have been extremely active since its emergence in NASA Solar Dynamics views. Seven m-class flares can be seen ...

A NASA astronaut aboard the SpaceX Dragon spacecraft has shared a stunning video of the aurora as seen from space, following ...

Forecasters expect fair auroral activity Saturday that is anticipated to strengthen even more by Sunday night.