A composite image of the Triangulum galaxy, made by overlaying individual images taken by the Hubble Space Telescope as part of the PHATTER survey. Credit: A. Smercina/M.J. Durbin/J. Dalcanton/B.F.

The New Moon occurs on December 18 at 8:43 P.M. EST, providing optimal conditions for viewing deep-sky objects. The Triangulum Galaxy (M33), a 6th-magnitude spiral galaxy in western Triangulum, is ...

The Triangulum Galaxy, the third-largest member of the Local Group of galaxies, is shining with star formation in a new image from the Hubble Space Telescope. When you purchase through links on our ...

NASA’s Wide-field Infrared Survey Explorer (WISE) captured this image of one of our neighbors, the Messier 33 galaxy. Nicknamed the Triangulum galaxy, it is the third largest member in the Local Group ...