This NASA/ESA/CSA James Webb Space Telescope Picture of the Month brings us a scene from the distant universe. Pictured here ...

Inside an incredibly bright cluster of galaxies, a long-dormant supermassive black hole has come back to life. Radio images ...

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

Observations of the thermal energy in a baby galaxy cluster 12.4 billion light years away suggest much more energetic early ...

KOIN 6 viewer Jim Preusse caught a unique view of Monday night and Tuesday morning's northern lights from along the Oregon ...

Scientists have detected a surprisingly hot galaxy cluster dating back to the universe’s infancy. The cluster formed far ...

Using the Einstein Probe (EP), astronomers from China and Germany have observed a nearby galaxy cluster known as Abell 3571.

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic evolution.

Most astronomers agree that young galaxy clusters should be relatively cool compared to older ones. But researchers recently found a very young cluster that’s hotter than the surface of the sun. More ...

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about how these cities of galaxies form. When you purchase through links on our ...

Roughly 2.8 billion light-years from Earth, two galaxy clusters are engaged in a cosmic tussle. These enormous structures last collided about a billion years ago, but now, it appears they’re going ...

Astronomers have discovered a vast, dense cluster of massive galaxies just 1 billion years after the Big Bang, each forming ...