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.

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 ...

"All signs were pointing to the sun going into a prolonged phase of low activity," said Jamies Jasinski of NASA's Jet ...

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

Aurora enthusiasts witnessed breathtaking displays after a “secret” island in a coronal hole triggered a strong geomagnetic ...

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

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

A cannibal solar storm slammed into Earth's magnetic field around 5 p.m. EDT (2100 GMT) on Sept. 1, sparking a geomagnetic storm that lit up skies across Europe and North America overnight.

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 ...