There were significantly more X-class solar flares in 2024 than any other year for at least three decades. The arrival of ...

An M3-class solar flare that lasted about 3 hours created a massive coronal mass ejection. The Solar Dynamics Observatory (SDO) and the Solar and Heliospheric Observatory (SOHO) captured the fireworks ...

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

On January 3, the Sun unleashed a powerful X1.2 solar flare, the first one in 2025, causing radio blackouts in parts of South ...

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," ...

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

Sunspot AR3869 erupted with an X3.3-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks. Footage ...

An X-class solar flare erupted on December 29, 2023, sending a burst of solar energy toward Earth that may enhance auroras ...

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 ...

Scientists divide solar flares into five classes, according to their peak brightness in X-ray wavelengths. In order from smallest / least intense to most intense and troublesome: A-class flares ...

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

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