A geomagnetic storm arrived at Earth on Thursday, causing the aurora borealis to be visible in some parts of North America.

Although NOAA predicted the aurora would be visible as far south as northern Utah on Thursday night, some Arizonans in areas ...

From the Northern Lights spotted in certain parts of Arizona to the story of a man who was shot after police found him in a ...

The aurora borealis is visiting the Grand Canyon State again, if you know where and how to look for it. The northern lights ...

The Northern Lights were spotted in many parts of Arizona on Thursday night. Take a look at some of the beautiful photos ...

Thanks to a solar storm, many people across Arizona were able to catch a glimpse of the Northern Lights; nearly 10 million ...

The sun is reaching the peak of its current solar cycle, and experts predict Arizonans' chances of joining in on the fun of ...

Northern Lights spotted in Arizona The Northern Lights were spotted in Pinal County's Gold Canyon on Thursday night. NOAA's ...

The storm is a result of a coronal mass ejection, CME, that sped toward Earth at 2.5 million mph. A coronal mass ejection is ...

One of the most common manifestations of a CME's impact on Earth are the emergence of aurora borealis, or northern lights.

In the United States, plenty of Americans should have an opportunity Thursday to witness auroras dancing across the night sky ...

A large chunk of northern U.S. states could get a glimpse at the northern lights on Thursday night, according to a National ...