To see the northern lights in Colorado, a KP index of 5 or higher is usually needed. The KP index measures geomagnetic ...
The northern lights are best seen between 10 p.m. and 2 a.m. local time, according to NOAA, which recommends traveling to a ...
Americans in more than a dozen northern U.S. states may be able to catch a glimpse of the northern lights Sunday evening, as ...