A crescent moon will appear alongside the bright stars Castor and Pollox to form a lopsided grin in the night sky on May 29.

These dark sky sanctuaries, reserves, parks, and trails invite you to immerse yourself in the wonders of our night skies.

NGC 7635, also called the Bubble Nebula, is an emission nebula lit from within by the hot, young star SAO 20575.

The James Webb Space Telescope captured this stunning image of a galaxy cluster so massive that it serves a gravitational ...