An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic evolution.

Astronomers have confirmed the earliest barred spiral galaxy in the universe, a Milky-Way-like structure that existed just 2 billion years after the Big Bang.

This NASA/ESA/CSA James Webb Space Telescope Picture of the Month brings us a scene from the distant universe. Pictured here ...

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

A spiral galaxy, shaped much like our Milky Way, has been found in an era when astronomers believed such well-formed galaxies could not yet exist. Two astronomers from India have identified a ...

The James Webb Space Telescope caught a glimpse of these violent bundles of gas and stars. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The ...

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about how these cities of galaxies form. When you purchase through links on our ...

Physicists are quietly testing wild new theories that treat a hidden fifth dimension as more than science fiction, suggesting ...

While scouring images from the James Webb Space Telescope, astronomers spotted Capotauro, "one of the most puzzling discoveries" to date. When you purchase through links on our site, we may earn an ...

Scientists have detected ancient microwave signals from the universe's early days. These signals, over 13 billion years old, ...

The Big Bang theory has dominated our understanding of the universe’s origin for almost 100 years. It describes a moment when all of space, time, and energy were born from a single infinitely dense ...