Dark matter doesn’t emit, absorb, or reflect light. It’s invisible but supposedly makes up 85% of the universe’s mass. Because it’s so abundant, astronomers believe it should explain many unsolved ...

"This data provides us with rare insight into how galaxies were transformed in the early universe." ...

In the vast tapestry of the universe, most galaxies shine brightly across cosmic time and space. Yet a rare class of galaxies ...

The Chandra X-ray Observatory view of galaxy group NGC 4839 has revealed that it is "plunging into the Coma galaxy cluster ...

Using NASA's Chandra X-ray space telescope, astronomers have discovered an entire galaxy cluster wrapped in a 20 million ...

Add Yahoo as a preferred source to see more of our stories on Google. Artist's impression of a forming galaxy cluster in the early universe: radio jets from active galaxies are embedded in a hot ...

The studied galaxy existed about 930 million years ago after the Big Bang. Even though this might sound like a long time ago, in universe terms this is not ...

Astrophysicists from the University of Waterloo have observed a new jellyfish galaxy, the most distant one of its kind ever captured. Jellyfish galaxies are named for the long, tentacle-like streams ...

The young galaxy cluster existed about 12.8 billion years ago and has an estimated mass 20 trillion times that of the sun ...

A Canadian-led team of researchers has discovered a 'baby' galaxy cluster in the early universe surrounded by gas far hotter than anything they thought could form at that time. This discovery ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

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