Northern lights occur when a solar flare interacts with Earth's atmosphere.
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.
The Sun seems to be waking up again after one of the most active years in 2024. Over the weekend and into May 5, 2025, Earth was hit by unusually fast solar winds, with speeds exceeding 700 kilometers ...
People sometimes ask what would happen if the Sun suddenly exploded, often after seeing a dramatic film or picture online. It is an understandable question, especially for children, because the Sun ...