Sunspot AR3165 has erupted with several m-class solar flares in a span of a few hours. NASA Solar Dynamics Observatory ...

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.

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

When you buy through links on our articles, Future and its syndication partners may earn a commission. Sunspot AR 14100 reemerged over the sun's western limb on Monday (May 26) after spending two ...

One of the largest sunspot regions in years will face Earth this week, potentially increasing the chances of northern lights ...

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 ...

There are many things with spots: Dalmatians, leopards, ladybugs, overripe bananas, and guys with bald spots are all great examples. Another thing with spots is the Sun! That's right! The Sun, as it ...

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 ...

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 ...

Visible light images from NASA’s Solar Dynamics Observatory highlight the appearance of the Sun at solar minimum (left, Dec. 2019) versus solar maximum (right, May 2024). During solar minimum, the Sun ...