At more than one million degrees, the sun's atmosphere—the corona—is incredibly hot; but not everywhere. Time and again, huge ...

Prominences are cool plasma structures extending several thousand kilometers in the Sun’s hot corona. Some persist for weeks.

Large amounts of matter are needed to create and sustain the massive plasma structures in the solar corona. New calculations ...

Add Yahoo as a preferred source to see more of our stories on Google. Region 4366 seen on the surface of the sun via NASA's Solar Dynamics Observatory (SDO) spacecraft on Feb. 4, 2026. This region is ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. ESA's Proba-3 mission has ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

After a calm week, the sun erupted again. A powerful M5.1 solar flare burst from an emerging sunspot region, shaking the stillness of space weather and igniting new forecasts of heightened activity.

The sun’s rhythmic rise and fall in the sky can make it easy to forget that our star is unpredictable—a roiling, burbling mass of magnetically knotted plasma that governs the entire solar system. But ...

A newly active area on the sun is responsible for dozens of eruptions known as solar flares, including back-to-back X-class flares earlier this week. Solar flares typically originate from active ...