Comet Leonard, which last passed by Earth 80,000 years ago, has been dazzling the night sky before Christmas, and there's only a few days left to see the celestial object before it disappears forever.

Add Yahoo as a preferred source to see more of our stories on Google. Stargazers eager to catch a rare green comet in the sky tonight, Saturday, Oct. 25, are in for a double cosmic treat as Comet ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. These are the first two comets visible to amateur ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Have you seen the green comets yet? Two icy visitors from ...

Get ready for a once-in-a-lifetime spectacle on Monday, Oct. 20 Getty The Orionid meteor shower will peak overnight Oct. 20 through Oct. 21, while Comet Lemmon and SWAN make their closest approach to ...