A massive 500,000-mile coronal hole on the Sun is sending high-speed solar wind toward Earth, increasing the risk of geomagnetic storms that could disrupt satellites and power grids.

A supercharged display of auroras could light up the night sky over the weekend and be visible from various locations across ...

Over the past week, a pair of large coronal holes have been crossing the face of the Sun, looking a bit like the face of a cyclops turning its disgruntled gaze upon us. Despite their somewhat comical ...

A vast 500,000 mile-wide coronal hole has opened up in the Sun's atmosphere, which is now shooting high-speed solar wind ...

Auroral activity is best seen between 10 p.m. and 2 a.m. local time while at a high vantage point away from light pollution, ...

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The gigantic coronal hole is blasting high-speed solar wind toward Earth, potentially igniting vibrant auroras and minor ...

A massive coronal hole has opened on the sun, sending high-speed solar wind toward Earth and increasing aurora activity.

Graphic visualisation of NASA's Solar Dynamics Observatory (SDO) shows a vast 500,000 mile-wide coronal hole in the sun's ...

"An increasing risk of Active, or possibly G1 minor storm, intervals then possible on Days 3 and 4 (31 Jan- 1 Feb) with any ...

Researchers have created an improved traffic light system for predicting geomagnetic storms. They are now testing how well ...