Earlier this week, the number of visible sunspots on our home star fell to zero for the first time in 1,335 days. This ...
The sun's visible disk has been perfectly free from sunspots for the first time since June 2022, suggesting the current solar cycle might be heading toward its quieter phase.
“The definition of the solar maximum is when the sunspot number is at its highest,” Dr Rachel Howe, a solar physicist at the ...
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Sun goes spotless for first time in 4 years: What does it mean and how will it impact the Earth
The Sun experienced its first spotless days in four years, from February 22-24, 2026, indicating a shift towards a calmer ...
Sunspot AR3184 erupted with an X1.9-class solar flare. NASA's Solar Dynamics Observatory (SDO) captured the fireworks. The ...
Solar Cycle 25 has reached its most active phase, bringing stronger solar flares and geomagnetic storms that may affect Earth’s technology.
The Sunspot Solar Observatory near Cloudcroft is scheduled for demolition, leaving fans and former residents devastated over the loss of this piece of New Mexico history.
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Sunspots may be visible during the March 29 partial solar eclipse. Here's how to spot them.
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 ...
NOAA is forecasting a G1-class geomagnetic storm on Monday, Feb. 23, through Tuesday, Feb. 24, with the aurora borealis ...
Each pixel of this image of a sunspot is roughly 10 kilometers. The photo was captured by the Daniel K. Inouye Solar Telescope in Hawai’i using a new instrument. (Credit: VTF/KIS/NSF/NSO/AURA) SPACE ...
The U.S. National Science Foundation (NSF) announced Tuesday it will go ahead with demolition and site restoration at the ...
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