If it hits as night falls in the U.S. on Monday, aurora could be visible as far south as Iowa and Pennsylvania. If it arrives ...

The northern lights visible across the United States after a solar flare were the most widespread and intense aurora show ...

Auroras: On a brighter note, the geomagnetic storm might produce spectacular auroras, probably visible in the Southern United ...

The Northern Lights may be seen Monday, Sept. 16 as far south as California, Missouri and Colorado after major solar activity ...

The northern lights may be visible as far south as Pennsylvania, Iowa and Oregon because of a strong geomagnetic storm ...

Charged particles crashing into Earth are expected to create strong solar storm conditions early Monday morning, prompting a ...

A Geomagnetic Storm happens when a CME or a high-speed solar wind stream interacts with the Earth's magnetosphere, causing a ...

Northern lights could be visible over mid-latitudes across the US and Europe tonight, Sept. 16. A geomagnetic storm watch has ...

An intense solar flare and a coronal mass ejection could mean Northern Lights early this week as far south as Pennsylvania.

Vibrant auroras could be visible as far south as Oregon and Pennsylvania tonight as Earth reels from a "strong" G3-class ...

Of course the common question when we get the stronger geomagnetic storms is what does this do for the northern lights. Well, ...

A CME or coronal mass ejection - an eruption of material from the surface of the sun - happened on Sunday and should reach ...