A South African telescope has identified a colossal galaxy stretching 3.3 million light-years, over 32 times the size of the ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Astronomers have discovered a giant radio galaxy with plasma jets stretching an incredible 3.3 million light-years—32 times ...

ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

The James Webb Space Telescope (JWST) continues to transform our understanding of the universe. By combining its advanced ...

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

The Hubble Space Telescope completes a high-resolution portrait of our galaxy's gorgeous neighbor, which will help scientists better understand our Milky Way.

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

These massive currents carry material on a journey through and around star-forming galaxies before they settle and form stars ...

The Hubble Space Telescope has used its sensitive instruments to create a mosaic image containing 2.5 billion of the Milky Way's closest neighbor.