NASA's Interface Region Imaging Spectrograph (IRIS) mission captured an X1.1-class solar flare. See time-lapse footage of the blast that caused "a strong shortwave radio blackout over South America," ...

Sunspot AR3256 erupted with an X1.2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

The sun started 2025 with a bang as it fired off a powerful solar flare this morning.

The huge solar flare may be the last big explosion from the sun this year. The sun is not quite done with 2024.

A powerful X1.8 solar flare erupted on January 4, 2025, and was recorded at its peak—7:48 a.m. ET—by NOAA’s Solar Ultraviolet ...

The highest-class solar flare, this year’s first, occurred on Friday, the Moscow-based Institute of Applied Geophysics ...

The northern lights could once again grace US skies over the coming days. A minor geomagnetic storm is projected to impact ...

The Northern Lights forecast is looking up in the wake of a series of several large solar X-ray flares, with the nights of ...

The sun started 2025 with a bang as it fired off a powerful solar flare this morning. The X-class solar flare peaked at an X.12 at 6:40 a.m. EST (1140 GMT) on Friday (Jan. 3), releasing a blast of ...

At the start of this new year, we look back at close-up pictures and solar flare data recorded by the ESA-led Solar Orbiter ...

EST (0315 GMT on Dec. 26). Solar flares are ranked and categorized by their power on a 4-level classification scale, with M-class the second strongest to the beastly X-class at the top. According to ...