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

The planet is experiencing the most powerful solar event since 2003—and it's bringing spectacular Northern Lights.

A powerful flare unleashed a severe solar storm that caused auroras and GPS disruptions on Earth.

“This is the longest continuous series of images ever created for a single active region: It’s a milestone in solar physics,” ...

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

By combining observations from two space missions, scientists were able to follow one exceptionally active region on the Sun for months, revealing how its magnetic structure evolved over time. Our sun ...