Something enormous is on its way to our cosmic neighborhood. The Milky Way, along with our closest major neighbor the Andromeda galaxy, is moving toward a future collision. These are not small systems ...

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 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 ...

Skywatchers can enjoy ever-longer nights, fall constellations, the Andromeda galaxy and the full hunter's moon in October.

Add Yahoo as a preferred source to see more of our stories on Google. Credit: Gianluca Masi, Virtual Telescope Project, Background: NASA, ESA and the Hubble Heritage (STScI/AURA)-ESA/Hubble ...

The Andromeda galaxy is surrounded by a constellation of dwarf galaxies that are arranged in a highly lopsided manner. Analysis of cosmological simulations published in Nature Astronomy reveal that ...

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 ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. When will the Milky Way collide with the Andromeda Galaxy?

September 2026 brings nine night sky events, from Moon-planet pairings and Venus at peak brightness to the Harvest Moon and possible auroras.

Andromeda III is one of at least 13 dwarf satellite galaxies in orbit around the Andromeda galaxy, or Messier 31, the Milky Way's closest grand spiral galactic neighbor. Andromeda III is a faint, ...

Look up on a clear night and it's easy to blur the line between the two. both feel like distant, abstract terms for "space ...