Andromeda Galaxy
Are Andromeda and the Milky Way Already Exchanging Stars?
I often drag out the amazing fact that the Andromeda Galaxy, that faint fuzzy blob just off the corner of…
We Might Be Able to Measure Dark Energy Through the Milky Way's Collision With Andromeda
The Milky Way and Andromeda are set to collide in a few billion years but are still over two million…
Astronomers Uncover Mass Migration of Stars into Andromeda
Astronomers know that galaxies grow over time through mergers with other galaxies. We can see it happening in our galaxy.…
A Dark Matter map of our Local Cosmic Neighborhood
A new simulation by a team of astrophysicists has resulted in the most detailed 3D map of the cosmic web,…
Hubble Shows the True Size of Andromeda
It's possible that you've seen the Andromeda galaxy (M31) without even realizing it. The massive spiral galaxy appears as a…
Now We Know That Dark Matter Isn’t Primordial Black Holes
A new study by an international team of scientists has tested Hawking's theory of dark matter, and ruled out that…
This is What It’ll Look Like When the Milky Way and Andromeda Galaxies Collide Billions of Years from Now
What happens when two galaxies collide? The Milky Way and the Andromeda Galaxy are on a collision course, and in…
Has a New Dwarf Galaxy Been Found Hiding Behind Andromeda?
Thanks to the work of an amateur astronomer, an international team of scientists recently confirmed the existence of a previously-unknown…
Andromeda Shredded and Consumed a Massive Galaxy About Two Billion Years Ago
According to a new study by a team from the University of Michigan, Andromeda survived a merger with a massive…
It Turns Out, Andromeda is Younger Than Earth… Sort Of
According to a recent study by a French-Chinese collaboration, the Andromeda galaxy (as we know it) is younger than we…