The Andromeda Galaxy, our Milky Way’s colossal neighbor, lies 2.5 million light-years away yet shines visibly in dark skies.

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 ...

The JWST discovers the Zhúlóng spiral galaxy, as massive as the Milky Way, formed only a billion years after the Big Bang.

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

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

Hidden in the ‘Infinity Galaxy,’ a black hole floats in space where none should exist, upending old ideas about black hole birth.