How could the Universe form such dense and extremely hot structures only 1.4 billion years after the Big Bang? This question ...

Most astronomers agree that young galaxy clusters should be relatively cool compared to older ones. But researchers recently ...

Using the Anglo-Australian Telescope (AAT), astronomers have observed a nearby galactic globular cluster known as NGC 6569. Results of the observational campaign, published December 22 on the arXiv ...

When studying local galaxy cluster Abell 3667, Anthony Englert GS, a Ph.D. candidate in physics, noticed something unique. Connecting the brightest galaxies in two small clusters within Abell 3667 was ...

Researchers at the University of British Columbia and Dalhousie University have found a young galaxy cluster that appears far ...

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. This NASA/ESA Hubble Space Telescope image features the globular star cluster NGC 6652. | Credit: ...

There may not be as nearly as many small galaxies in the early universe as astronomers predict there should be, which has big ...

One of the hallmarks of the midwinter Colorado sky is the presence of a comparatively large number of stellar groupings, which are called “open” or galactic star clusters. Unlike the globular clusters ...

NPR's Short Wave talks about elephants' sniffing abilities, the remarkable migration of painted lady butterflies and a ...

A massive cluster of galaxies in deep space imaged spotted by an orbiting observatory can only be explained by the exotic phenomenon known as dark energy, say astronomers. Their findings will appear ...