With a nickname like Big Sky country, it's no surprise Montana is the ultimate destination for this year's celestial events, ...

The changing declination also defines the daily arc that the sun takes across the sky, thereby accounting for the length of daylight. Want to see the moon up close in the night sky? The Celestron ...

The city of Flagstaff has taken big steps to preserve the clarity of its night sky. Find out the best ways to experience the ...

February's full Snow Moon will have a royal companion as it rises alongside Regulus, a star nicknamed "Heart of the Lion", before Valentine's Day.

Watch a bright Moon dominate the sky, trace the Winter Hexagon, and continue enjoying the evening parade of planets in the ...

This year August holds two aces up its sleeve: very favorable conditions for the Perseid meteor shower and a close gathering of planets in the west. Look for the Perseids after 10 p.m. the nights ...

Once the sun goes down on Monday, Feb. 3, six planets and the moon will line up across the California night sky. Mars, Jupiter, Venus and Saturn will be visible to the naked eye, while Neptune and ...