A sunspot 10 times larger than Earth has appeared on the surface of the sun just as an X1.9-rated solar flare occurred.
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Giant sunspot on par with the one that birthed the Carrington Event has appeared on the sun — and it's pointed right at Earth
A massive new sunspot complex, dubbed AR 4294-4296, has emerged on the sun and is facing directly at Earth. The dark patch is ...
A sunspot, potentially generating multiple solar flares, may lead to auroras that could be visible as far south as Alabama.
Sunspot AR4618 erupted with an M4.4-class solar flare causing a coronal mass ejection (CME) that may give Earth a glancing ...
On December 1, 2025, NASA's Solar Dynamics Observatory observed a large spot on the Sun, known as Active Region (AR) 4294-96. This is the largest sunspot recorded in the past ten years and is believed ...
Colorful auroras could appear again soon over parts of the United States — including northern and upper Midwest states from New York to Idaho — due to a solar storm that may affect Earth, according to ...
Large cluster of sunspots that can cause strong solar flares and affect power grids detected by NASA
NASA has detected a large grouping of sunspots — dark patches on the sun — known as AR3576, which have increased in size in the last month and could be a risk for strong solar flares. Solar flares, ...
Observing an eclipse of the sun is always fascinating, but on March 29, 2025 — when a partial solar eclipse is visible in the Northern Hemisphere — there will be an extra reason to do so. As well as ...
German astronomer Johannes Kepler made sketches of sunspots in 1607 from his observations of the sun’s surface — and centuries later, the pioneering drawings are helping scientists solve a solar ...
BOULDER–Challenging conventional wisdom, new research finds that the number of sunspots provides an incomplete measure of changes in the Sun’s impact on Earth over the course of the 11-year solar ...
On May 29, 2020, a family of sunspots — dark spots that freckle the face of the Sun, representing areas of complex magnetic fields — sported the biggest solar flare since October 2017. Although the ...
“With this new machine-learning tool, the Daniel K. Inouye Solar Telescope can help scientists build a more accurate 3-D map ...
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