A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

Always bright and reliable Jupiter remains prominent for the first half of night in the western sky. Meanwhile, Mars continues to cavort with the twin stars of Gemini, Pollux and Castor through ...

Standing beneath the Milky Way has always been a beautiful sight, if you were lucky enough to find dark skies on a dark night ... of those vast spiral arms of stars and dust clouds.