Mid-infrared observations from NASA's James Webb Space Telescope, shown in white, gray, and red, are combined here with X-ray ...

The Champagne Cluster is a rare and beautiful example of two galaxy clusters smashing together. Its festive name comes from ...

A new composite image reveals the “Champagne Cluster” as two massive galaxy clusters caught in a rare, violent collision.

A mysterious force called Dark Energy might be changing, in a way that challenges our current understanding of the nature of ...

Astronomers have found a system of three supermassive black holes, all actively feeding, that appear to be combining into a ...

But the Big Bang theory predicts that about 5% of the universe's contents should be atoms made of protons, neutrons and ...

Three merging galaxies host three active black holes, offering rare insight into galaxy and black hole growth.

Astronomers wish to confirm the connection between early galaxies and reionization because detailed studies of this period of cosmic history will reveal the physical processes that originally shaped ...

Here are seven of the most beautiful interacting galaxy images captured by NASA Hubble Space Telescope, showcasing the ...

Recent advances in cosmology appear to demonstrate that about 70 percent of our Universe currently consists of Dark Energy, a mysterious force field which is causing it to expand ever more rapidly.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Galaxies are vast collections of stars that populate our universe. But how many galaxies are ...