Astronomers have spotted a mysteriously mature “baby cluster” of galaxies in the early universe, scarcely a billion years ...

Astronomers have witnessed the earliest gathering of galaxies ever seen, taking place about 12.8 billion years ago. The ...

WASHINGTON, Jan 30 (Reuters) - Observations by NASA's James Webb Space Telescope and Chandra X-ray Observatory are providing ...

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 ...

Using ESA's Gaia satellite, astronomers have investigated three open clusters in the galactic disk, namely Berkeley 17, 18 ...

This NASA/ESA/CSA James Webb Space Telescope Picture of the Month brings us a scene from the distant universe. Pictured here is the galaxy cluster MACS J1149.5+2223, or MACS J1149 for short, which is ...

NASA Chandra X-ray telescope data from galaxy cluster Abell 2146 showed a "shockwave that stretches for some 1.6 million ...

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

Gigantic black holes lurk at the center of virtually every galaxy, including ours, but we've lacked a precise picture of what ...

JWST observations of galaxy cluster MACS J1149 show gravitational lensing used by CANUCS to study distant low-mass galaxies across a wide range of cosmic time.

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 ...

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 ...