Viewers in Fairbanks, Alaska captured the northern lights, or the aurora borealis, on video Sunday, showing vibrant green colors rippling across the sky.

That's why our aurora typically spreads horizontally across the northern sky. Ghostly, green skeleton fingers of aurora cross nearly the entire sky from east to west on Feb. 16. I had never ...

Some Americans may get a special treat during the Valentine's Day weekend if the northern lights illuminate the night sky with a hint ... also known as aurora borealis, may be visible across ...