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 ...

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

In its first year alone, it will double the amount of data collected so far by every other instrument in the history of ...

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 ...

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 ...

More The Andromeda galaxy's spiralling stars are played as musical notes in a new NASA observatory video, creating a cosmic crescendo that's out of this world. The sonification video, released by ...

When layered, they depict a vibrant and active galaxy reminiscent of our own—and the information is already helping experts expand on Andromeda’s ongoing life story.

In Simpson’s painting, it looks crushing, a continent-size lethal weapon dropping through space. It’s one of this ambitious show’s single most powerful images, suited to a heading-for-a-big ...

The long-proposed Milky Way and Andromeda galactic merger might not be as certain as astronomers previously believed.

Milky Way galaxy might not collide with Andromeda after all Astronomers ran 100,000 computer simulations using combined Hubble/Gaia space telescope data.

A collision between our Milky Way galaxy and the neighboring Andromeda galaxy, long considered inevitable, may be in question, astronomers say.