The Sun fired off six X-class flares in the first four days of February 2026, a burst of extreme activity spanning roughly ...

The Sun has unleashed a quartet of strong solar flares, which could herald a wild week of space weather. It all kicked off at ...

A moderate geomagnetic storm can cause minor issues for satellites, GPS signals and high-frequency radio communication. Some power grid systems in higher-latitude countries may also see small ...

A new sunspot group has quickly grown and is spewing out the most intense type of solar flare. Effects on Earth are forecast ...

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

Richard Carrington’s name has long been connected with the most intense solar storm ever recorded, but his face was unknown ...

Climate data in a report published by the National Oceanic and Atmospheric Administration’s (NOAA) Climate.gov website found that the sun’s solar activity, including overall brightness and sunspot ...

The Sun released a strong solar flare on Tuesday, Feb. 3, following several eruptions in the preceding days, prompting ...

The flares are coming from a solar region that was created in late January.

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 ...

The Sun has officially reached the explosive peak in its 11-year solar cycle. On Tuesday, representatives from NASA, the National Oceanic and Atmospheric Administration (NOAA), and the International ...

A year ago this weekend, the sun’s activity created some of the most spectacular auroras on record, with displays visible as far south as Florida. The incredible spectacles last May (and another ...