Aurora alert! Butterfly-shaped ‘hole’ in sun’s atmosphere could spark geomagnetic storm Sept. 13-14
Forecasters warn of possible G2 geomagnetic storms as a colossal coronal hole sends solar wind racing our way.
Cannibal solar storm sparks dazzling northern lights across Europe and North America (photos)
The cannibal solar storm didn't hit its full potential, but still put on a good show.
Northern lights may be visible in these 18 US states Sept. 1-2
Auroras may be visible from Alaska to Illinois as an incoming solar storm could spark geomagnetic storm conditions this Labor Day.
Aurora alert! Incoming cannibal solar storm could spark Labor Day northern lights show
A pair of solar eruptions may combine into a powerful "cannibal CME," boosting chances for dazzling auroras over Labor Day.
Northern lights may be visible in these 15 states tonight
Auroras may be visible from Alaska to Iowa as an incoming speedy solar wind could spark geomagnetic storm conditions overnight.
Northern lights may be visible in these 15 states tonight
Auroras may be visible from Alaska to Iowa as an incoming speedy solar wind could spark geomagnetic storm conditions overnight.
Northern lights may be visible in these 18 states tonight
Auroras may be visible from Alaska to Illinois as an incoming solar storm could spark geomagnetic storm conditions overnight.
Northern lights may be visible in these 13 US states tonight as the sun hurls solar storm toward Earth
Auroras may be visible from Alaska to New York as an incoming solar storm could spark geomagnetic storm conditions overnight.
Northern lights may be visible in these 10 US States tonight
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.
Northern lights may be visible in these 14 US States on June 25
Auroras may be visible from Alaska to South Dakota as a giant hole in the sun's atmosphere shakes up geomagnetic activity in the coming days.