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

Forecasters warn of possible G2 geomagnetic storms as a colossal coronal hole sends solar wind racing our way.

A giant S-shape structure, around 10 times wider than Earth, recently appeared in the center of the sun, moments before our ...

A surprise announcement from scientists involved in monitoring the solar cycle has finally confirmed that the sun's most ...

Satellites, including those used for GPS and communications, will face greater risks in coming decades during solar-triggered geomagnetic storms because of the effect climate pollution has on Earth’s ...