If we move on to larger scales, things change. Take SMACS 0723, a galaxy cluster featured at the center of JWST's first deep ...

Determining the expansion rate of the universe, the "Hubble constant," shapes our understanding of the cosmos, its age, and its fate.

A compound lens forged by two galaxies is helping astronomers get a bead on the Hubble Constant and dark energy.

When Albert Einstein introduced his theory of general relativity in 1915, it changed the way we viewed the universe. His ...

How do you weigh one of the largest objects in the entire universe? Very carefully, according to new research.

The novel simulations achieved its record-breaking performance by using approximately 9,000 of Frontier’s compute nodes, ...

We may one day find that observability becomes a functionality, rather than a platform and toolset of its own. It’s fanciful ...

Those are giant conglomerations of many galaxy clusters (one galaxy cluster can contain up to ... of the cosmic web permeating our entire universe. You can think of them as the universe's downtown ...

But according to the researchers, these oddball objects could also reveal new insights about the early universe. NGC 602 is a young cluster containing low abundances of elements heavier than ...

The Virgo Cluster contains about a thousand galaxies ... so too have we found that our galaxy holds no special place in the universe. Galaxies observed in the Hubble Deep Field image The image ...

Careful observations of both the foreground cluster—which may itself be made ... as well as more about the universe’s ancient past. The farthest background galaxy is so distant that it must ...