Although the findings are yet to be confirmed, it marks the closest astronomers have come to locating these ancient stars ...

The James Webb Space Telescope may have discovered Population III stars, the universe's first generation of stars. They may ...

Astronomers believe they've discovered some of the universe's earliest stars, located about 13 billion light-years from Earth ...

Astronomers have chased the first stars for decades, squinting at the early universe for any hint of their brief, brilliant ...

Physicists have taken the Universe’s temperature, revealing the searing trillion-degree heat of the Big Bang’s first plasma.

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 ...

About 13.8 billion years ago, the newborn universe was a blazing sea of energy and particles. Within minutes of the Big Bang, conditions had cooled enough for the very first atoms—mostly hydrogen, ...

Encouraged by successes in understanding black holes, theoretical physicists are applying what they’ve learned to whole ...

JWST observations suggest Population III stars may have formed 13 billion years ago, helping trace early galaxies.