Giant radio galaxies are cosmic megastructures that can span millions of light-years, making them some of the largest-known ...

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

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

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and ...

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

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

The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...

A trio of astronomers from the University of Tokyo and Niigata University have found what they describe as "peculiar embedded ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...

The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and ...