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 ...

Sunspots AR3664 and AR3663 have been erupting with X- and M-class solar flares. Both sunspots are Earth-facing and could potentially deliver a solar storm. NASA's Solar Dynamics Observatory captured ...

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 ...

A massive sunspot region made up of at least six different sunspot groups has emerged on the sun's nearside. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

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, ...

With the Sun still in an active phase there could be more spectacular Northern light displays in the year ahead.

Sunspot AR3590, which recently spit out three X-class solar flares in under 24 hours, has grown even larger and is now pointed almost directly at Earth, putting us in the crosshairs of more potential ...

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 ...

Astronomers have detected a massive group of sunspots being referred to as a "sunspot archipelago." The group is made up of at least six different sunspots, and astronomers warn it could spell trouble ...