This cluster of sunspots has produced more than 60 solar flares, including several that could spark colorful auroras across ...

The four X-class solar flares in about a day is a rate that makes even a typical sunspot pass a near-Earth space stress test ...

Sun Region 4366 has produced dozens of solar flares since Jan. 30, "putting on quite a show," says Slooh President and ...

The Sun is putting on quite a show right now. Earth-facing sunspot region 4366 has been erupting almost non-stop since it emerged on January 30, producing six X-class solar flares so far.

The sunspot region 4366 fired off dozens of powerful solar flares in 24 hours, including the single strongest flare since ...

Northern lights occur when a solar flare interacts with Earth's atmosphere.

The sun’s active sunspots—which are the cause of recent Northern Lights sightings in the U.S.—may erupt a few solar flares this weekend, and scientists recommend using solar eclipse glasses to see how ...

In a dramatic escalation of solar activity, the sun has unleashed an X8.3 flare — 2026’s strongest yet — causing radio ...

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 ...

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, ...