Liquid mercury contamination has permanently shut down the Dunn Solar Telescope as NSF moves ahead with demolition in ...

The U.S. National Science Foundation says it will demolish the Sacramento Peak Observatory, also known as Sunspot Solar Observatory ...

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.

Sunspots AR3664 and AR3663 have been erupting with X- and M-class solar flares. Both sunspots are Earth-facing and could ...

SUNSPOT, N.M. – The Sunspot Solar Observatory in Otero County is currently closed to the public due to a hazardous discovery. In a social media post, the observatory reported that two New Mexico State ...

Why sunspots are able to last so long has been a mystery for millenia, but a new observation technique revealed their secret. The equilibrium between magnetic fields and pressure allows the solar ...

With a techniques borrowed from earthquake detection, researchers are learning to predict where sunspots will boil-up. That ...

The U.S. National Science Foundation (NSF) announced Tuesday it will go ahead with demolition and site restoration at the ...