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 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.

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

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.

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 ...

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 ...

Galaxy clusters are some of the largest structures in the universe, containing hundreds or thousands of individual galaxies, massive amounts of superheated gas, and invisible dark matter.

The galaxy cluster SMACS J0723.3-7327 is among a set of galaxy clusters that the James Webb Space Telescope is imaging for ... the famous Bullet Cluster shows what happened when two ...

“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 ...