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

On September 4, 2025, NASA’s Solar Dynamics Observatory (SDO) captured an incredible image of the Sun displaying a mysterious “S” shape, signaling an intense solar event that would trigger a ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Sun image captured by Daisy Dobrijevic using the Vaonis Vespera Pro. Inset image credit: ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Sunspot region 4114 erupted with a colossal M8.46 class solar flare on June 15. . | Credit: NASA ...

The Sun's activity is rising again after decades of decline, surprising scientists and raising concerns about space weather.

The hottest parts of the sun are its solar flares, and a new study suggests these flares could be more than six times hotter ...

A new study reveals solar flares can reach a staggering 108 million degrees Fahrenheit, six times hotter than previously ...

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 ...

The star at the center of the solar system does more than provide light and warmth. It also acts as the most powerful particle accelerator in the neighborhood, whipping electrons to near-light speed ...

Observations of the slip-running reconnection in active region 13107, as seen by the IRIS (inset) and the Solar Dynamics Observatory / Atmospheric Imaging Assembly instrument. The evolution of ...

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 ...