Dark matter has baffled physicists for nearly a century, quietly shaping our universe's unseen framework. Invisible yet ...

"Our data indicates that the Universe will expand forever, and at an accelerating rate," said Sehgal, who analyzed data ...

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

New insights from the Atacama Cosmology Telescope offer unprecedented images of the universe at 380,000 years old, revealing ...

University of Arizona researchers are among a group of scientists who hope to discover what happened immediately after the Big Bang, when the universe expanded in a fraction of a ...

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

Known as the cosmic microwave background, the microwaves are a relic from a time when the universe was first cooling down ...

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

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

New research by the Atacama Cosmology Telescope (ACT) collaboration has produced the clearest images yet of the universe's infancy - the earliest ...

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

Learn more about the Atacama Cosmology Telescope and the images of the infant universe it captured.