The moon and Venus will shine vividly alongside a bright star in the early morning in a striking celestial rendezvous that should be visible across the U.S. But unless you're willing to wake up before ...

You know, after decades of pointing optics toward the sky, I consider myself a knowledgeable observer. But while researching ...

What could we choose as the seven most remarkable celestial objects visible either with our eyes or with a small telescope? "The Seven Wonders of the Ancient World" is the first known list of the most ...

Guest columnist Katy Downing is the planetarium and program coordinator for the Lake Erie Nature & Science Center. Winter skies can be the clearest of the year and the richest in stars. Here are some ...

A conjunction is an astronomical event in which at least two planets – or, in this case, other celestial bodies – appear to our vantage from Earth to be close together in the sky. The trio of ...