NOAA warns of likely G1-class geomagnetic storms on Thursday, Feb. 5, through Friday, Feb. 6, as a coronal mass ejection from ...

After an X-class solar flare erupted on Feb. 1, a coronal mass ejection reached Earth sooner than expected, prompting ...

Aurora alert! The colossal solar storm could impact and trigger impressive northern lights.

The Sun is putting on quite a show right now. Earth-facing sunspot region 4366 has been erupting almost non-stop since it emerged on January 30, producing six X-class solar flares so far.

The solar storm was triggered by an intense X8.3-class flare on Feb. 1, followed by another powerful X4.2 flare on Feb. 4, ...

Fired from a vast sunspot, the "coronal mass ejection" is expected to reach Earth on either Thursday or Friday this week.

A G1 or G2-class geomagnetic storm is possible on Wednesday, Feb. 4, as a coronal mass ejection from a powerful X8-class solar flare struck Earth's magnetic field.

The Sun has entered one of its most volatile moods in years, hurling a torrent of powerful flares and charged particles into space that are now brushing past Earth. The latest eruption, a colossal X ...

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A coronal mass ejection (CME) is an eruption of gas and plasma from the Sun. Solar physicists record a number of them each year. Fortunately, most head into space in directions away from Earth. When ...

Amid severe geomagnetic storm conditions, the northern lights could be visible from even more states on Jan. 19 ...