An X1.0 solar flare erupted from Active Region 4455 on June 3, 2026, according to NASA, producing the kind of intense burst ...

The X1.1 eruption briefly disrupted radio communications across the daylight side of Earth.

Scientists are currently trying to determine if a coronal mass ejection (CME) was also launched.

Forecasters expect a coronal mass ejection and a powerful X-class solar flare could impact the Earth starting on Thursday. NOAA is predicting a Kp index of five out of nine on Thursday, meaning the ...

Solar flares largely go unnoticed, but that doesn't mean there aren't dangerous ones that could impact life on Earth.

A powerful solar flare from sunspot 4479 caused a radio blackout over North America and the Pacific, while an approaching ...

An unusual phenomenon occurred on the surface of the sun Wednesday. “The Sun emitted a strong solar flare on June 3, peaking at 7:28 a.m. ET,” NASA, the federal body constantly watching the sun ...

Just as avalanches on snowy mountains start with the movement of a small quantity of snow, the ESA-led Solar Orbiter spacecraft has discovered that a solar flare is triggered by initially weak ...

The sun emitted some of the most powerful solar flares this week, NASA announced. The star emitted three strong solar flares on Sunday, Feb. 1, peaking at 7:33 a.m. ET, 6:37 p.m. ET and 7:36 p.m. ET, ...

Just days before the Artemis II mission, some other activity in space caught the attention of Nasa officials. According to NASA, a strong solar flare was emitted from the sun on Sunday night, ...

A strong solar flare peaked just after 9 a.m. Tuesday, but what does that mean? Can it be seen from Earth?Tuesday's solar flare was not the first this year or even this month. Here is more information ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This voice experience is generated by AI. Learn more. This ...