The focus of this NASA/ESA Hubble Space Telescope image is an active spiral galaxy on a journey lasting hundreds of millions ...

Learn about the Great Attractor, a region of the universe that is constantly pulling the Milky Way and thousands of other ...

Look closely at this image from NASA's Hubble Space Telescope and you'll see galaxies of various shapes and sizes clustered ...

Roughly 2.8 billion light-years from Earth, two galaxy clusters are engaged in a cosmic tussle. These enormous structures last collided about a billion years ago, but now, it appears they’re going ...

The James Webb Space Telescope has captured an amazing view of galaxy cluster MACS J1149.5+2223 (MACS J1149). It is "located ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The cosmic community of ...

A composite of galaxy cluster known as MACS0416 created using James Webb Space Telescope and Hubble Space Telescope imagery.

A developing galaxy cluster dating to about 1 billion years after the Big Bang is shown in this handout image released on January 28, 2026. The white box marks the field of view of the Chandra X-ray ...

Chinese astronomers have conducted observations and analyses of star clusters in the outer halo of the Andromeda Galaxy — the ...

Only one billion years after the Big Bang, clusters of galaxies were already forming. This discovery pushes back the age of the youngest known galaxy cluster by a third, and shows that the largest ...

A UC Davis graduate student who is leading a study of the collision of galaxy clusters 5 billion light years away will discuss the team’s findings today, Jan. 10, in a press briefing at the annual ...