A dazzling galaxy discovered by the James Webb Space Telescope (JWST) is forcing cosmologists to reexamine key assumptions ...

Physics Professor Colin Hill and collaborators have released the clearest images to-date of the universe in its infancy.

A galaxy inside a bubble may be evidence that the universe was starting to become transparent 330 million years after the big bang ...

At that time, our universe emitted the cosmic microwave background as it emerged from its intensely hot, opaque state ...

ACT’s final data set delivers the most precise view of the early universe, mapping cosmic expansion and primordial gas ...

New results from the Dark Energy Spectroscopic Instrument (DESI) suggest that the unknown force accelerating the expansion of ...

The “dark energy” field that has fueled the expansion has been weakening over the past 4 billion to 5 billion years, new data shows.

For the first time, scientists have captured the clearest and most detailed image of the cosmic microwave background ...

A map of the CMB published by ACT researchers. Research by the Atacama Cosmology Telescope collaboration has led to the ...

New images of the infant universe captured by the Atacama Cosmology Telescope (ACT) are the most precise "baby pictures" to ...

By about t + 370,000 years, neutral hydrogen formation had wound itself down, leaving the Universe transparent for the first time. But not all the matter formed by Big Bang nucleosynthesis ...