In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Scientists predict Andromeda and the Milky Way will collide in about 4.5 billion years—reshaping the night sky forever!.

The astronomical panorama is a major accomplishment because Andromeda is the “closest” large galaxy to ours, at a distance of 2.5 million light years away — equal to the diameter of the Milky Way disk ...

What will happen to the solar system when the Milky Way completes the merger with the Andromeda Galaxy? Bryan ...

The Hubble Space Telescope has produced the most comprehensive survey of the Andromeda galaxy, revealing new clues about its history. The Hubble survey, assembled from over 1,000 orbits and ...

the Andromeda Galaxy will collide with the Milky Way, resulting in a spectacular cosmic collision! Don’t worry, though – the distances between stars are vast, so we won’t feel a thing.

The Andromeda Galaxy was the first one that astronomers measured the distance to — and prior to 1925, they were debating whether the Milky Way was all that there was or whether there were other ...

"This is the first time that we can see such detailed structures for an external galaxy." Due to its proximity to the Milky Way, the Andromeda galaxy appears six times the diameter of the full ...

The Andromeda galaxy is approximately 2.5 million light-years away from the Milky Way. The observations recorded by Hubble yield new clues about the history of Andromeda, which looks markedly ...