The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space weather and technology on Earth, NASA announced this week. A new research, ...

Add Yahoo as a preferred source to see more of our stories on Google. On a dynamic planet like Earth, it can be easy for drivers of change to go unnoticed – but scientists have now established and ...

A Southwest Research Institute (SwRI)-led team has developed an improved model for predicting solar events that incorporates activity on the far side of the sun. The team studied near-simultaneous ...

Has the Sun’s activity increased or decreased in the last few years? This is what a recent study published in The Astrophysical Journal Letters hopes to address as a team of scientists investigated ...

The Sun has produced another powerful X-class solar flare, underscoring the heightened activity of Solar Cycle 25 and reminding scientists that our star is entering one of its most energetic phases in ...

The colossal ball of hot gas at the center of our solar system will be lively for the next year, NASA said. The sun has reached its "solar maximum period," which is a state of heightened activity in ...

A solar eclipse recorded more than 2,700 years ago is revealing surprising secrets about Earth's rotation and the Sun's ancient behavior. By correcting an eight-kilometer error in the location of an ...

Sun news for March 30-31, 2025. Sunspot region AR4048 is continuing its reign as the lead flare producer on the sun. It fired 23 solar flares over the past day, 5 of which were M (moderate) flares.

Strongest flare: A C8.6 from AR4535, peaking at 2:46 UTC on September 30. Lead flare producer: There is a newcomer in the northeast that dominated, firing three of the five flares: two Cs and one B ...

The intensity of the Sun’s activity ebbs and flows across years, but also across decades—a behavior that scientists haven’t quite figured out yet. At the turn of the 21 st century, astrophysicists ...

The recent flurry of solar storms suggests the sun is in a period of maximal activity as part of its 11-year cycle. The active period is likely to continue over the next year, so more auroras could be ...