WACO, Texas (KWTX) - If you happened to step outside this weekend and look up into the night sky, you might have caught a glimpse of a rare comet slowly making its way across the earth’s sky.

A week after the northern lights were visible in the Mid-Atlantic, a rare comet made an appearance. But, if you missed it ...

Now, the latest celestial event on display is a “cosmic snowball” — a rare comet that was last visible around 80,000 years ago and that astronomers estimate won’t be visible again for another 80 ...