Geomagnetic storms occur when charged particles from the sun collide with Earth’s atmosphere, creating auroras.
A high-energy pulse from the Sun is careening through space and now slicing across Earth’s magnetic field, setting the stage for one of the most spectacular displays of the aurora in years. This surge ...
Millions across the U.S. and Europe witnessed rare, colorful displays of the northern lights on Tuesday and Wednesday after three bursts of plasma from the Sun triggered a powerful geomagnetic storm.