Only a few dozen of these short-lived binaries exist in the galaxy at a time, making the serendipitous find extremely ...

The Helix Galaxy, located 42 million light years away, is an unusual object as it is both a polar ring and a lenticular ...

Particular stars called Cepheid variables allow astronomers to determine distance, and Hubble spotted one of these within M31 ...

Climbing to 60° high in the east two hours before sunrise, the constellation Andromeda lies just to the upper right of the easy-to-spot W-shaped constellation Cassiopeia. This morning, let’s enjoy a ...

In this episode, Astronomy magazine Editor Dave Eicher invites you to head out during the evening of July 7 and observe the pretty bright Moon passing Antares, also known as Alpha Scorpii. Look sharp, ...