Images of the far-side of the sun taken by the European Space Agency's Solar Orbiter of a giant sunspot region makes aurora ...

Solar Orbiter has spotted a large sunspot group forming on the opposite side of the Sun – if it's still active when it rotates into view, it could trigger solar flares.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A giant black spot has appeared on the sun’s disk — and ...

Extremely active sunspot AR3664 blasted a major X8.7-class solar flare. The sunspot was behind the incredible geomagnetic ...

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 ...

An Earth-facing sunspot region has been raging with massive eruptions of hot gas that have caused disruptions to our communications systems—and there’s still more to come. On Tuesday at 5:49 p.m. ET, ...

A massive sunspot cluster roughly the size of the one responsible for the most powerful solar storm ever recorded has rotated into view on the sun's Earth-facing side, now pointing directly toward our ...

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 ...

A new sunspot emerging over the eastern limb of the sun is putting on an explosive show and it's heading our way. Sunspot region 4136 was recently captured crackling with dozens of magnetic explosions ...

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 ...

The solar cycle continues to ramp up with currently the largest number of sunspots in the last two decades and maybe even longer. NOAA’s Space Weather Prediction Center(SWPC) reports the estimated ...