The same solar region that brought an outburst of night-time beauty in early May is coming back around. But things have changed, a space weather expert tells NPR.
An aurora could be visible as far south as Northern California. Experts say the storm could disrupt some communications and navigation systems like GPS.
The Solar Orbiter, a new mission from the European Space Agency and NASA, was designed to give us our first look at the sun's poles and to gather data that might help predict space weather.
The initial results from an ambitious mission to get a spacecraft close to the Sun are shedding new light on some old mysteries about our closest star.