A rare blast from the sun has just pushed radiation in Earth’s atmosphere to levels not seen in nearly two decades, briefly ...

Solar flares and other activity can disrupt radio communications, power grids and navigation signals, according to NASA.

The sun’s current 11-year activity cycle has already peaked—but extreme outbursts from our star may still be in store ...

A sunspot 10 times larger than Earth has appeared on the surface of the sun just as an X1.9-rated solar flare occurred.

Our sun continues to make news headlines as we’re still in a strong solar cycle that has generated numerous solar flares and ...

Solar activity surged on December 1, 2025, with a powerful flare from a small sunspot. This event disrupted radio ...

Scientists have captured an exceptionally rare, high-resolution view of an active region that produced two powerful X-class ...

Scientists have achieved something that almost never happens in solar research: they captured high-resolution images of an ...

Brace yourselves, Earthlings: NASA, the NOAA, and the Solar Cycle Prediction Panel have officially declared that solar maximum is now underway. What does that mean? Our Sun is reaching the peak of its ...

Solar flares, the sudden bursts of radiation that erupt from the Sun’s atmosphere, have become a topic of intense scrutiny for scientists. The potential of these flares to disrupt power grids and ...