A hidden magnetic island inside a coronal hole unleashed a surprise G3 storm, sparking dazzling displays across the US.

One lucky air traveler even captured the Northern Lights on their flight from New York to San Francisco on Sunday evening.

At G3 the storm is considered "strong", but it is also strengthened by something known as the "Russell-McPherron Effect".

Our sun has unexpectedly begun to ramp up its activity, which could lead to more severe solar storms that cause blackouts and ...

Geomagnetic storms are caused by solar winds or coronal mass ejections (CMEs) from the Sun that collide with Earth's magnetic ...

If strong enough, solar storms could wipe out our internet infrastructure. They disrupt aviation signals and, for example, ...

After solar activity spent several decades on the decrease, the number of sunspots, flares and coronal mass ejections is once ...

The northern lights could be visible across multiple states on Tuesday following a coronal mass ejection on the sun.

All signs were pointing to the Sun going into a prolonged phase of low activity,” NASA's Jamie Jasinski said. "The Sun is ...

A new NASA study suggests that solar activity will remain high or rise further in the coming decades, contradicting previous assumptions that the sun was quieting down — and scientists "don't ...

With advance warning, however, steps can be taken to reduce the risks. If an electrical grid is running near capacity, for ...

On Sept. 23, a spacecraft will launch with a clear mission — to keep a constant watch on the sun to help protect Earth from ...