Scientists have taken the clearest-ever images of the universe when it was just 380,000 years old—essentially a baby picture ...

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

New observations with the Atacama Cosmology Telescope in Chile reveal the earliest-ever "baby pictures" of our universe, ...

The Atacama Cosmology Telescope (ACT) team has captured the clearest images of the universe in its earliest stages—when it ...

The 3D cosmic map building DESI has provided more clues that dark energy is weakening over time, suggesting our best model of ...

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

The dark energy's impact may be weakening over time, according to new results from the DESI collaboration, which includes ...

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 ...