The Andromeda Galaxy, located approximately 2.5 million light-years from Earth, is visible to the naked eye under dark skies this week. According to Forbes, the October 12–18, 2026, observing window ...

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

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

The Andromeda Galaxy, or M31, isn’t just a great-looking spiral galaxy. It’s also the closest to us, which makes it visible to the naked eye from here on Earth. But the fact it’s (well, relatively) so ...

Add Yahoo as a preferred source to see more of our stories on Google. A beautiful white and blue spiral galaxy is seen slightly edge-on with a vast black section of space behind it. There are glowing ...

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 ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor. Composed by NASA and international space partners, the image combines data from ...

Add Yahoo as a preferred source to see more of our stories on Google. A hypothetical view from Earth as the Andromeda galaxy (on left) is about to collide with part of the Milky Way galaxy. Our Milky ...

A new ultra-faint dwarf galaxy has been discovered in the vicinity of Andromeda (M31), the Milky Way's large neighboring galaxy. The new study, published in Astronomy & Astrophysics suggests that the ...

An international team of astronomers reports the discovery of a new dwarf galaxy, which they have named Pegasus VII. The newfound galaxy, which lies about 2.4 million light years away, was identified ...

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 ...

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