What do you call an object that has all the characteristics of a moon, but whose mass compares to that of a giant planet? The ...

Stargazers can see six planets all in one evening during the second month of the year, especially Mercury, which is usually ...

Is the moon a star or a planet? The correct answer is "neither," but that's not the consensus reached when the argument comes up in this funny TV clip. During a recent show for the QVC shopping ...

If you were up early enough on Friday, Sept. 19, you may have noticed the bright star shining next to the crescent moon in the morning sky. The upcoming conjunction will be a party between the moon – ...

A rare planetary parade will march across the sky on Saturday, Feb. 28, according to NASA. Venus, Mercury, Saturn, Jupiter, ...

California stargazers can observe a parade of six planets in the night sky throughout February, but the best time to see the ...

The snow moon, February's full moon, will peak Sunday, Feb. 1, and a lunar eclipse will occur March 2-3. Here's what to know.

Florida is home to 3 dark sky locations that may offer the clearest views of a planetary conjunction between Saturn and the ...