"Sunspots 4114 erupted with an X1.2-class solar flare. Minutes lates, sunspot AR4115 "erupted in quick succession," according ...

Sunspot AR3663 erupted with powerful X1.6 and M4 solar flares. NASA's Solar Dynamics Observatory captured the fireworks.

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Sunspot AR3234 erupted with several M-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple wavelengths. Credit: Space.com | footage courtesy: NASA/SDO/Helio Viewer| ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A giant black spot has appeared on the sun’s disk — and ...

Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ultraviolet light before a solar flare, which could act as an early warning system ...

A geomagnetic storm watch has been issued after a powerful solar flare over the weekend. The solar flare peaked at 9:49 p.m. EST on Sunday, November 30, said NASA’s Solar Dynamics Observatory, which ...