The northern lights surprise stargazers by appearing in many forms—from patches or scattered clouds, to streamers, arcs, rippling or dancing curtains. The lights move and change shape and color.

People in states including Idaho, Montana and North Dakota may be able to catch a glimpse of the northern lights on Wednesday ...

The existence of the Southern Lights reminds us that Earth's wonders don't just happen in one part of the world, but are ...

The northern lights are predicted to be visible ... small bursts of energy in the form of light. The color of the aurora depends on which gas is being excited by the electrons and on how much ...