New observations have revealed early signs of UV light illuminating the cosmos more than 13 billion years ago.

A galaxy spotted just 330 million years after the Big Bang has been implicated in bringing light to the choking dark of the ...

Scientists using the James Webb Space Telescope have identified an ancient and faraway galaxy that provides evidence that an ...

Learn about a new observation of a galaxy emitting ultraviolet light that broke through the early universe's dense fog.

The universe is thought to have experienced a rapid and exponential expansion in a fraction of a second after the Big Bang.

Astronomers have identified a bright hydrogen emission from a galaxy in the very early universe. The surprise finding is ...

Scientists using the James Webb Space Telescope have identified an ancient and faraway galaxy that provides evidence that an ...

One of the Holy Grails in cosmology is a look back at the earliest epochs of cosmic history. Unfortunately, the universe's ...

NASA's newly launched SPHEREx mission will use software developed at the Arizona Cosmology Lab to analyze data and help ...

University of Arizona researchers are among a group of scientists who hope to discover what happened immediately after the ...

The recent detection of oxygen in the most distant known galaxy is making astronomers rethink how quickly galaxies formed after the Big Bang.