Breathtaking photos of the Northern Lights

Aurora borealis in Iceland
In rare instances, high-altitude oxygen molecules give the aurora borealis a red color.

Aurora borealis in Iceland
This incredible photo showcases not only the Northern Lights, but the craggy topography of Iceland, including mountains and a waterfall.

Aurora borealis in Iceland
Photographer David Mark Castan shot photos of the green-tinged aurora borealis in Iceland.

Aurora borealis in Canada
Photograher Richard Gottardo said that snapping all those beautiful pictures made him tired - especially when the sudzero temeratures froze his energy drink.

Aurora borealis in Canada
The aurora borealis is caused by a collision between electrons from solar winds and particles in the Earth's atmosphere.

Aurora borealis in Canada
Photographer Richard Gottardo created a two minute time-lapse video from nearly 4,000 photos.

Aurura borealis in Canada
Photographer Richard Gottardo endured freezing temperatures in the Rocky Mountains of Alberta, Canada to shoot a stunning time lapse of the aurora borealis?

Aurora borealis in Iceland
The green color is caused by oxygen molecules located in the Earth's atmosphere.