Northern lights occur when a solar flare interacts with Earth's atmosphere.
A high-velocity solar storm, triggered by the Sun’s most powerful eruption of the year, is currently interacting with Earth’s magnetic field. Space weather experts have warned about potential G4-class ...
A rapidly growing sunspot has fired off at least 18 M-class and three X-class flares in just 24 hours, including an intense X8.3 eruption.