What will occur on the Earth when a sunspot with the size of approximately 6.5 Earths begins to release successive X-class ...

This cluster of sunspots has produced more than 60 solar flares, including several that could spark colorful auroras across parts of the northern U.S.

A massive sunspot, AR4366, erupted with dozens of solar flares in a single day, including the strongest storm of 2026. As it rotates toward Earth, scientists are monitoring possible impacts on ...

Sunspot AR3088 put on a striking display of solar activity, unleashing multiple M-class flares as it rotated across and out ...

The supersized sunspot that generated a historic sighting of northern lights back in November has returned to the Earth side of the sun. Ozark National Scenic Riverways in Shannon County, November 12, ...

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

A handful of people in the northern part of our area saw the auroras just after 7 PM Monday, January 19th. The Kp index spiked to 8.67 so after the news I jumped in the car with Marc Weinberg to take ...