Hold onto your telescopes, folks—the milky way and andromeda just challenged each other to a cosmic size contest… and ...

A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda ...

The Andromeda Galaxy (M31, NGC 224) is a truly stunning and colossal presence in our universe, located 2.5 million light years away in the Andromeda constellation. This supergiant spiral galaxy, often ...

Astronomers deployed the Hubble Space Telescope over the course of a decade to conduct 600 separate observations to produce ...

For more than a century, astronomers have watched the Andromeda galaxy, a massive swirl of neighboring stars, speed toward the Milky Way. And in recent years, measurements using the Hubble Space ...

Our Milky Way could have many more satellite galaxies than we've detected so far. They're just too faint to be seen.

"One day soon we may be able to see these 'missing' galaxies, which would be hugely exciting and could tell us more about how the universe came to be as we see it today." ...

The chance that our Milky Way Galaxy will collide with the Andromeda Galaxy may not be as certain as previously thought, according to researchers, who say that a new simulation has found a 50% chance ...

It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two spiral galaxies colliding ...

Milky Way's chance of colliding with Andromeda? New study puts odds at 50-50 For this new study, the scientists relied on updated galaxy measurements to factor in the gravitational pull on the ...

In this combination of images from NASA/ESA shows three future scenarios for Milky Way & Andromeda encounter. Top left: Galaxies bypass at 1 million light-year separation. Top right: At 500,000 ...

It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two spiral galaxies colliding ...