The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space weather and technology on Earth, NASA announced this week. A new research, ...

A high-velocity solar storm, triggered by the Sun’s most powerful eruption of the year, is currently interacting with Earth’s magnetic field. Space weather experts have warned about potential G4-class ...

The sun continues to erupt massive solar flares, and NASA recently reported two so far Monday morning, a class X1.7 around 9:40 a.m. ET and a strong class X1.1 solar flare peaking at 11:27 a.m. on ...

The biggest solar flare in nearly 20 years has erupted from the sun, sparking radio blackouts across North and South America. It was rated an X8.7-class flare—the most powerful since 2005—and was ...

The intensity of the Sun’s activity ebbs and flows across years, but also across decades—a behavior that scientists haven’t quite figured out yet. At the turn of the 21 st century, astrophysicists ...

The colossal ball of hot gas at the center of our solar system will be lively for the next year, NASA said. The sun has reached its "solar maximum period," which is a state of heightened activity in ...

The hyperactive sunspot region doesn't seem to be slowing down anytime soon. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Newly emerged ...