According to our best possible understanding of the universe, regular matter is only a small fraction of the matter-energy ...

Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of ...

To understand gravitational lensing and dark matter, James Jee, a professor at Yonsei University, says to think of a pond ...

The famous picture of colliding galaxy clusters shows evidence for dark matter. But it's a thought experiment that drives it home. Newsletters Games Share a News Tip ...

“If the galaxy cluster is in the process of forming, we call it ‘disturbed’—it’s just kind of a mess,” says Michael Calzadilla, a PhD candidate in astrophysics at MIT and lead author ...

NASA’s James Webb Space Telescope has taken a closer look at the famous Bullet Cluster—a giant space collision between two ...

It’s essentially a giant cluster of galaxy clusters stretching approximately 1.3 billion light-years long—more than 13,000 times the length of our Milky Way. It consists of 200 quadrillion ...

The five high-res photos show a hidden galaxy, a star cluster, a famous stellar nursery, and more. Scientists said they hope to use data from Euclid to better understand dark matter and dark energy.

In the vicinity of the bright star Spica, for example, we find the famous Virgo cluster of galaxies, a system of several thousand galaxies bound together by gravitation and located some 60 or 70 ...

Galaxy cluster SMACS 0723, which sits at the center of Webb’s First Deep Field, is so dense that its gravity actually bends spacetime. Light from objects on the far side of the galaxy cluster ...

Massive galaxy cluster Abell S1063 as captured by NASA’s Hubble Space Telescope CREDIT NASA, ESA, and M. Montes (University of New South Wales) Scholars from the Institute for Advanced Study ...

The Milky Way, our galaxy, has about 150 globular clusters. ... This data, collected using the famous James Webb Space Telescope (JWST), may point to the oldest stars in our universe.