A brilliant comet waved its tail above the site of the world's largest telescope as it lit up the night sky last month.

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

The moon will be only 61% illuminated and not quite so dazzling, making this upcoming occultation easy to see and enjoy.

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

Mercury joins the night sky to complete a 7-planet alignment just after sunset for the end of February. Saturn leaves our ...