ESA’s Solar Orbiter should solve the longstanding puzzle about why the Sun’s outer corona is so much hotter than its surface.

The Sun emitted a strong solar flare on June 19, peaking at 7:50 p.m. ET. NASA’s Solar Dynamics Observatory captured an image ...

An active region of the Sun, known as sunspot 4114, has just produced an X1.9-class flare. This event, which occurred on June ...

Use precise geolocation data. Actively scan device characteristics for identification. Store and/or access information on a ...

Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth’s atmosphere to ...

A powerful X-class solar flare erupted on June 19, disrupting radio signals and potentially setting the stage for geomagnetic ...

The latest solar flare follows an M-class one, the second-highest on the scale, that occurred days earlier on June 15. It ...