Could that faint glow in the autumn sky be an entire galaxy sending us light from 2.5 million years ago?

The Andromeda Galaxy, a vast spiral system located roughly 2.5 million light-years from Earth, has been photographed barely ...

Andromeda is a constellation based on the Ethiopian princess Andromeda from Greek mythology. It is located between Cassiopeia ...

A long, thin band of light floating in spaceWhen you hear the words 'galaxy floating in the night sky,' many of you probably ...

Add Yahoo as a preferred source to see more of our stories on Google. A close-up view of a prodigious number of stars in the Andromeda galaxy. The Andromeda galaxy is a colossal marvel in our sky, ...

Add Yahoo as a preferred source to see more of our stories on Google. The Andromeda Galaxy is the farthest deep-sky object the human eye can spot at about 2.5 million light-years away. It can also be ...

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 ...

In this episode, Dave Eicher invites you to observe one of the most famous deep-sky objects, the Andromeda Galaxy, also known as Messier 31 (M31). Named for its location in the constellation Andromeda ...

The northern sky’s greatest galaxy gets its familiar name from the northern constellation where it resides, Andromeda the Princess. This star system is our nearest large spiral galaxy, and it sits at ...

Each Monday, I pick North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the Northern Hemisphere).

A close-up view of a prodigious number of stars in the Andromeda galaxy. Credit: NASA / ESA / B. Williams (U. of Washington) The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 ...