Andromeda is also a flattened spiral like the Milky Way, but it's twice as large — 220,000 light-years across versus 105,000 for the Milky Way — and crammed with a trillion suns. Can you even begin to ...

Astronomers taking a close look at our nearest neighbor galaxy have made a highly unusual and model-challenging discovery; the vast majority of its satellite galaxies appear to be pointing in our ...

FARGO — Go outside on a clear night in early winter and look up. Everything you can see — all the stars, the planets, the shooting stars, the northern lights — is contained within the Milky Way galaxy ...

How would you like to see the farthest thing visible to the naked eye? It’s possible, but you’ll need to bundle up and sit back on a lawn chair. Your neighbors may think you’ve cracked up sitting out ...

Like blazing campfires on cold winter nights, galaxies are surrounded by a smoke of gas and dust that blows into the shadows. This thin pall of material is known as the circumgalactic medium, a halo ...

Did you know that you can see the closest spiral galaxy next to our own in the sky? While binoculars and telescopes will offer much better views, it’s still possible to see it with your naked eye if ...

A family portrait of the Andromeda galaxy and its orbiting dwarf satellites raises questions about how galaxies evolve.

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?

Inverclyde astronomy expert Stephen McAllister explains how he went about capturing the Andromeda galaxy on camera.

How would you like to see the farthest thing visible to the naked eye? It’s possible, but you’ll need to bundle up and sit back on a lawn chair. Your neighbors may think you’ve cracked up sitting out ...