What can you see when you look up?

Is it a full moon tonight? Here's what to know about today's moon phase, when to watch beehive cluster and the next February ...

Earth's Moon, the planet's only natural satellite, is so close that you can see some of its surface features with the naked eye—but only when it's at least partially illuminated by the Sun. In this ...

Tonight's full moon is the May flower moon, shining for three days with a view of Venus. Here's what to know about May's special full moon and when to watch. A full moon is one of the lunar phases ...

The craters bear the names of astronomers who revolutionized our understanding of the night sky.