The northern lights could make a surprise appearance across parts of the U.S. tonight, Dec. 22, and through Dec. 24, as a ...

We asked people from Latvia, Iran and Norway how they did or would celebrate Christmas in their home countries and how their ...

Also known as the northern lights, it happens when charged particles from the sun interact with gases in our atmosphere. Meteorologist Sean Sublette explains the phenomenon. Evan Rich couldn’t have ...