For this edition improved isophotal maps are used for the Milky Way, and extra charts for crowded areas of the sky have been added. Within the constellations, Flamsteed numbers identify the brighter ...

A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.

from stars and constellations to bright planets, the moon, and sometimes special events like meteor showers. Observing the night sky can be done with no special equipment, although a sky map can ...

Take our winter tour that features August constellations, or our summer tour designed for January, February or March. Or visit the site each month to download an easy-to-follow sky map and make up ...

A map of the night sky created by the ancient Greek astronomer Hipparchus was recently discovered at St. Catherine Monastery ...