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, or ACT, collaboration has produced the clearest images yet of the universe’s ...

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

For years, astronomers have sought a way to directly observe the atmospheres of exoplanets, worlds orbiting distant stars.

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

Since those early steps, extravehicular activity has helped provide the solutions to many problems that astronauts face in ...

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