On April 25, early risers may witness a rare event in the sky. Venus, Saturn and the crescent moon will align closely, ...

Stargazers who turn their eyes skyward — and use a little bit of imagination — will have a chance to spot a rare "smiley face ...

The best opportunity to witness this celestial event is by looking toward the eastern horizon on April 25 morning. The alignment will take place just an hour before sunrise, giving stargazers a brief ...

Despite the name, the Pink Moon won’t take on a rosy hue. The moniker originates from the Old Farmer’s Almanac, which ...

Early navigators used the sphere to plot a navigational triangle, the points of which coincide with the celestial body, the elevated pole, and the zenith, a point directly above the observer.

The mysterious Antikythera Mechanism may not have been a cryptic celestial measuring device, but just a toy prone to constant ...