A new ultra-faint dwarf galaxy has been discovered in the vicinity of Andromeda (M31), the Milky Way's large neighboring ...
Andromeda has gained an exceptionally faint companion that may trace its origin back to the early universe. The newly ...
A massive star in the Andromeda galaxy brightened in infrared light starting around 2014, then faded from optical view and ...
Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This illustration shows a stage in the predicted merger ...
For years, astronomers have predicted a dramatic fate for our galaxy: a head-on collision with Andromeda, our nearest large galactic neighbor. This merger—expected in about 5 billion years—has become ...