Towards the end of the month, Mercury appears in the evening sky, and climbs up past Saturn. In the dusk glow, you may be ...

Jupiter and Mars will appear to make ultraclose approaches to the moon on two nights this week. Here's how to get the best ...

With each passing night as, the crescent slowly widens and it begins to appear against a progressively darker background, its ...

The desert city in southern Arizona is a sanctuary for stargazers—and now it's even easier for visitors to explore.