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

The Canadian-built Atacama Cosmology Telescope in the high Chilean desert mountains, which has just given up its final batch ...

Cosmic microwave background data support cosmology’s standard model but retain a mystery about the universe’s expansion rate.

Before it shut down, a telescope in Chile captured the universe's baby photos, just 380,000 years after the Big Bang. These ...

If our 13.8 billion-year-old cosmos could be considered middle-aged, researchers note these new images captured around its ...

New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent ...

Scientists using the ACT have captured the clearest images of the universe first light, refining its age and expansion rate.

Here’s how it works. New images of the infant universe captured by the Atacama Cosmology Telescope (ACT) are the most precise "baby pictures" to date of the cosmos' "first steps" toward forming ...

New images of the infant universe captured by the Atacama Cosmology Telescope (ACT) are the most precise "baby pictures" to date of the cosmos' "first steps" toward forming the first stars and ...

New data from the Atacama Cosmology Telescope has allowed astronomers to travel back in time to the dawn of the universe.