A powerful geomagnetic storm aimed at Earth could disrupt technology and bring a stunning celestial show as far south as ...

Extremely active sunspot AR3664 blasted a major X8.7-class solar flare. The sunspot was behind the incredible geomagnetic ...

Scientists warn that a powerful solar superstorm could strike Earth, causing widespread disruptions to energy grids, internet ...

The sun is at the maximum phase of its 11-year activity cycle, making the northern lights more common and widespread.

A pair of solar flares are expected to reach Earth on Tuesday, April 15, as geomagnetic storm could bring aurora to several northern states.