The sun sure has woken up this week, unleashing a powerful X-class solar flare on Jan. 18 that hurled a colossal, fast-moving ...

"This is the largest solar radiation storm in over 20 years," the Space Weather Prediction Center said on Monday.

A NOAA forecast has Northern Lights visible in northern U.S. states overnight on Monday, Jan. 19 through Tuesday, Jan. 20, as ...

Thanks to a giant eruption on the Sun and a large opening in its atmosphere, we're currently experiencing G4 conditions – a ...

Scientists have pulled back the curtain on one of the most extreme solar regions seen in decades, tracking it almost nonstop ...

The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar ...

The sun's inner corona, the hottest part of our star's atmosphere, appears faint yellow in a time-lapse made from images ...