And considerably removed from this summer retinue, brilliant topaz Arcturus holds forth in solitary splendor in the western sky. Double color Probably the most colorful double star in the night sky ...

The month is packed with skywatching highlights—including two galaxies visible to the naked eye and a rare glimpse of the ...

Stars and satellites are meeting more frequently in the night sky, raising vital questions about the future of astronomy.

The earliest astronomers were careful observers of patterns.