The potential sightings could be the last chance to see the northern lights this weekend before the forecast weakens Sunday.

The lights move and change shape and color. Scientists attribute their vibrant colors to excited gases emitted in Earth's atmosphere; oxygen gives off the green color of the aurora. What Causes The ...

Photographers told National Geographic that wide-angle lenses, an aperture or F-stop of four or less and a focus set to the ...

During the winter days, enjoy outdoor Arctic sports such ... explains the science behind the northern lights and provides photo tips for budding aurora photographers in a small-group format.