In the blink of an eye after the Big Bang, the universe could have birthed strange new stars and black holes.

Before atomic elements came together, less than a second after the Big Bang, if particles condensed into halos of matter, ...

For years, astronomers have been on the hunt for the first generation of stars, primordial relics of the early universe. And ...

The universe's first galaxies were hot messes, according to a recent study. During their younger days, they were wild, ...

A new study suggests that during a potential phase of primordial matter domination, particle interactions may have led to the formation of the universe’s first compact cosmic objects. Less than a ...

Sandro Tacchella does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

The Big Bang theory has dominated our understanding of the universe’s origin for almost 100 years. It describes a moment when ...

Observations by the James Webb Space Telescope hint at an excess of "UB-bright" galaxies in the first 400 million years after ...

One of the things that the James Webb Space Telescope was designed to do was look at some of the earliest objects in the Universe. And it has already succeeded spectacularly, imaging galaxies as they ...

A new model sheds light on the long-standing chemical mysteries found in globular clusters, the ancient archives of the universe. An international collaboration led by ICREA researcher Mark Gieles, fr ...

Some of the earliest galaxies found with JWST are also the brightest. That's a problem for our ideas about the universe. When you purchase through links on our site, we may earn an affiliate ...

Astronomers may have found the universe’s first stars formed after the Big Bang, using JWST data and gravitational lensing.