The six-year results from the Dark Energy Survey highlight unresolved tensions in standard cosmological theory.

A new high-resolution map of distant galaxies may help scientists understand the mysterious dark matter holding the universe ...

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 ...

From NPR News, this is ALL THINGS CONSIDERED. I'm Juana Summers. SCOTT DETROW, HOST: I'm Scott Detrow, and I am joined by Emily Kwong and Berly McCoy of NPR's science podcast Short Wave for our ...

Scientists have detected a surprisingly hot galaxy cluster dating back to the universe’s infancy. The cluster formed far earlier and burned far hotter than current models predict. Researchers believe ...

Light takes time to travel through space. Because of this, the light we see from distant objects in the night sky represents what they looked like when they released this light, not necessarily what ...

While peering into some of the oldest regions of the known universe — dating back to just 1.4 billion years after the Big Bang — an international team of astronomers made a puzzling discovery. As ...

The scorching cloud of gas threaded between clusters of galaxies is five times hotter than current models predict, highlighting gaps in our models of galaxy cluster formation. (Nanowerk News) An ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic evolution. When you purchase through links on our site, we may earn an ...

Add Yahoo as a preferred source to see more of our stories on Google. “We didn’t expect to see such a hot cluster atmosphere so early in cosmic history,” said Dazhi Zhou, a Ph.D. candidate at the ...

This infant cluster is massive for its relative youth, with a core measuring about 500,000 light years across, comparable to the size of the halo surrounding the Milky Way. It contains more than 30 ...

Celebrate the New Year with the “Champagne Cluster,” a galaxy cluster seen in this new image from NASA’s Chandra X-ray Observatory and optical telescopes. Astronomers discovered this galaxy cluster ...