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 ...

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 ...

The sky is a vast, empty place. Nothing up there but birds, planes, clouds — and some low-flying satellites. Virtually everything that goes up there must eventually come down since birds need to eat ...

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 ...