Solar physicists have long known that the sun stores staggering amounts of magnetic energy, but the exact trigger that lets that energy explode in a solar flare has been stubbornly elusive. Now, a new ...

Sunspot AR3184 erupted with an X1.9-class solar flare. NASA's Solar Dynamics Observatory (SDO) captured the fireworks. The ...

Scientists develop a forecasting system that predicts high-risk windows and regions for solar superflares, using 50 years of X-ray data and machine learning techniques.

Add Yahoo as a preferred source to see more of our stories on Google. Over the past 24 hours, the sun has been especially active, unleashing a rapid-fire series of powerful solar flares, including an ...

Solar Cycle 25 has reached its most active phase, bringing stronger solar flares and geomagnetic storms that may affect Earth’s technology.

NPR's Ayesha Rascoe talks with heliophysicist India Jackson about Thursday's huge solar flare and how it affected the Earth. A powerful eruption on the sun disrupted radio signals on earth AYESHA ...

Add Yahoo as a preferred source to see more of our stories on Google. The Sun released a strong solar flare on Tuesday, Feb. 3, following several eruptions in the preceding days, raising the ...

A sunspot so big it rivals the gigantic sunspot responsible for the Carrington Event in 1859 has unleashed another X-class solar flare, triggering radio blackouts on Earth. When you purchase through ...