CBS Evening News | Photographer Dave Parkhurst has been braving the extreme elements of the Alaskan wilderness to capture this incredible display on film

The Aurora Borealis, or Northern Lights, occur when highly charged solar winds strike particles on the edge of space, causing a brilliant explosion of light. Photographer Dave Parkhurst has been braving the extreme elements of the Alaskan wilderness to capture this incredible display on film. Ben Tracy reports. Air Date: Dec 4, 2013