Will the Milky Way and Andromeda galaxies collide in several billion years? The odds have changed with a new study using 100,000 supercomputer simulations. Credit: NASA's Goddard Space Flight Center ...

Andromeda is the nearest major galaxy to the Milky Way, yet every view of it is ancient. The light reaching Earth tonight began crossing intergalactic space about 2.5 million years ago. That journey ...

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?

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, ...

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 ...

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 ...

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 ...

Located 2.5 million light years away, the Andromeda galaxy is our closest galactic neighbor. The spiral galaxy is also the most distant object you can see with the naked eye from Earth, making it a ...

'Mass Effect: Andromeda' invites you to strap in for another space opera. "Space is big," beloved author and interdimensional traveler Douglas Adams noted in his seminal towel-seller, "The ...

In the last 'Sui's Constellation Guide,' we met Cassiopeia. The words of the queen who boasted of her beauty would eventually invite the wrath of the gods. But— the one who ended up paying the price ...