The most intense burst of solar radiation in five decades accompanied a large solar flare on January 20. It shook space weather theory and highlighted the need for new forecasting techniques, ...

The northern lights could mean lights out for the infrastructure we rely on.

A large solar prominence arches above the limb of the Sun in this image taken July 2. The imager captured the shot with a 5-inch scope, a DayStar Quark Hα "eyepiece," and a monochrome camera. The post ...

Just in time for Sun-Earth Day, a new NASA spacecraft, complete with a new name, made its debut by observing a huge explosion in the atmosphere of the Sun. The blast, called a solar flare, was equal ...

The most intense burst of solar radiation in five decades accompanied a large solar flare on January 20. It shook space weather theory and highlighted the need for new forecasting techniques, ...