A hidden magnetic island inside a coronal hole unleashed a surprise G3 storm, sparking dazzling displays across the US.
Forecasters warn of possible G2 geomagnetic storms as a colossal coronal hole sends solar wind racing our way.
The cannibal solar storm didn't hit its full potential, but still put on a good show.
Auroras may be visible from Alaska to Illinois as an incoming solar storm could spark geomagnetic storm conditions this Labor Day.
A pair of solar eruptions may combine into a powerful "cannibal CME," boosting chances for dazzling auroras over Labor Day.
Auroras may be visible from Alaska to Iowa as an incoming speedy solar wind could spark geomagnetic storm conditions overnight.
Auroras may be visible from Alaska to Iowa as an incoming speedy solar wind could spark geomagnetic storm conditions overnight.
Auroras may be visible from Alaska to Illinois as an incoming solar storm could spark geomagnetic storm conditions overnight.
Auroras may be visible from Alaska to New York as an incoming solar storm could spark geomagnetic storm conditions overnight.
Auroras may be visible from Alaska to Washington as a giant hole in the sun's atmosphere fuels geomagnetic storms with a high-speed solar wind.