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

A telescope in Chile has spent years working on by far the most precise map of the earliest visible universe. It now reveals ...

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

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

The new images—of when the cosmos was a mere 380,000 years old—show the "first steps towards making the earliest stars and ...

The clearest and most precise images yet of the universe’s infancy from the Atacama Cosmology Telescope show the first steps ...

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

The finest ever map of the cosmic microwave background - the faint evidence of the universe's early form - has yielded ...

The final results from the Atacama Cosmology Telescope offer the sharpest, most sensitive view of the early cosmos that ...

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