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 ...

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

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

Astronomers Discover Galaxy Cluster Burning 5X Hotter Than Expected ...

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.

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

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 ...

A monstrous galaxy named Inkathazo with plasma jets 32 times larger than the Milky Way has been discovered, challenging ...

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 ...

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