Sunspot AR3767 erupted with a X1.7-class solar flare, followed by an X1.1-class flare from sunspot AR3780. NASA's Solar ...

The sun has a bone to pick with Earth — and it’s not done yet. A colossal solar storm just zapped the daylight side of the planet, causing global blackouts and knocking out radio signals across Europe ...

Astronomers have warned of solar storms and other extreme space weather over the coming days and weeks, as an active part of the Sun rotates into view. The activity is expected to cause auroras and ...

Have you seen the Northern Lights? They're more than just pretty colors; when you see them in Pittsburgh, there's science ...

Watch footage of the Sun unleashing an X1.2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths. Footage courtesy: NASA / SDO and the AIA, EVE, and HMI ...

The world's largest solar telescope just captured the highest-resolution images of a solar flare to date — and they're spectacular. Researchers trained the Hawaii-based Daniel K. Inouye Solar ...

Research by university scientists suggests that solar flares may be far hotter than previously believed, offering new insights into the Sun’s behavior. The findings, recently published in the ...

Beautiful yet dangerous solar flares that erupt from the sun could be as hot as 180 million degrees Fahrenheit, researchers say. That's more than six times hotter than solar physicists previously ...

This is the conclusion of researchers from the University of St Andrews, Scotland, who found that the positively charged ions in solar flares—one of the two key components of solar plasma—can be ...

A high-powered solar flare erupted from the sun last week, causing a major radio blackout in Europe and Asia. The eruption happened at 3:25 a.m., meaning that the sun wasn't in the Texas sky at the ...