The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar ...

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

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

An X-class solar flare has produced an Earth-directed coronal mass ejection, increasing solar activity and raising the likelihood of geomagnetic impacts within 24 hours.

Scientists are monitoring a massive coronal hole on the Sun, measuring one million kilometers tall and resembling an inverted ...

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 ...

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 ...

WASHINGTON — When the sun sneezes, it's Earth that gets sick. It's time for the sun to move into a busier period for sunspots, and while forecasters expect a relatively mild outbreak by historical ...

TOPEKA (KSNT) – Astronomers are monitoring a large dark spot on the sun’s surface which could impact Earth in the days ahead. “The energy from 4079 is very strong, and as it approaches the center of ...

An international team of researchers tracked the active solar region using the Solar Orbiter spacecraft, a joint NASA and ...

A new sunspot forming on the surface of the sun might be about to fling solar flares in our direction. The sunspot, named 3856, is facing Earth and has developed a volatile type of magnetic field ...