The galaxy cluster, Abell 2390 ... Individually the stars are far too faint to be observed at such huge distances, but collectively, they contribute to an eerie glow, which has been enhanced ...

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

NASA / ESA / CSA / STScI The team's analysis—which combined the Webb imagery with computer modeling—revealed that UFOs are ...

The James Webb Space Telescope may have discovered the earliest galaxies ever observed, seen just 200 million years after the ...

In a new image from NASA’s James Webb Space Telescope, a galaxy named for its resemblance to a broad-brimmed Mexican hat appears more like an archery target. In Webb’s mid-infrared view of the ...

NASA’s Hubble Telescope captures stunning images of galaxies merging in the Coma Cluster, offering a glimpse into galactic ...

Our best view yet of the material linking clusters of galaxies may have pinpointed some 20 percent of the universe’s missing ...

If another gravity theory is correct, "then the broader implications are enormous," astrophysicist Stacy McGaugh told ...

Named the Big Ring by the astronomers, it is made up of galaxies and galaxy clusters. They say that it is so big it challenges our understanding of the universe. It cannot be seen with the naked eye.

One of the mysteries of our galaxy and every other ... of supermassive stars in globular proto-clusters existing about 440 million years after the Big Bang. The supermassive stars in question ...