After causing the dazzling waves of aurora borealis this weekend, our Sun isn't done yet: The strongest solar flare of the current solar cycle occurred Tuesday afternoon, according to the National ...

From 93 million miles away, the Sun just got a lot more personal. Astronomers have now seen some of its finest magnetic threads in sharper detail than ever before, and those tiny features could change ...

Considered our solar system's largest explosive events, solar flares can sometimes be as strong as a billion hydrogen bombs. Those with enough energy output to rank as an X-class have the potential to ...

This was the view as a multi-colored curtain of aurora formed to the south in my sky during the great display of Northern Lights on May 10, 2024. The Kp Index peaked at 8 this night bringing the ...

The sun emitted another powerful solar flare Tuesday nearly one week after separate flares set in motion a severe solar storm that disrupted some technology and produced some mesmerizing northern ...

Explosive sunspot AR3663 and its bigger cousin AR3664 are the current main solar flare players, unleashing flare after flare. We're struggling to keep up! When you purchase through links on our site, ...

A powerful X2.7-class solar flare erupted from the sun early Tuesday, May 14, 2025, causing high-frequency radio blackouts across broad swathes of Europe, Asia, and the Middle East. Classified as an ...

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The Sun emitted two strong solar flares, peaking at 4:48 a.m. and 2:36 p.m. ET on Saturday, June 1, 2024. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured images of the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A spot on the sun 10 times larger than Earth has been seen ...

Last night (April 30), the sun released an extremely powerful solar flare triggering widespread radio blackouts across the Pacific region. The flare peaked at 7:46 p.m. EDT (2346 GMT) and ended ...

In the pre-dawn hours of Nov. 11, the sun let loose a dazzling but disruptive display of its power: an X5.1-class solar flare, the most intense eruption of 2025 and the strongest since October 2024.