There's no shortage of round celestial objects in our universe. Planets, moons and stars all exhibit lovely spherical shapes.

A unique celestial event will grace the night sky on May 29, 2025, as the crescent moon aligns with two bright stars to form an unmistakable smiley visible to millions of skywatchers.According to ...

Earth and space mingle in stunning ways for the 2025 Milky Way Photographer of the Year contest. From the “geological ...