New research by the Atacama Cosmology Telescope (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.

Have you ever heard of—or even seen—red lightning? These are not animated characters but real atmospheric phenomena known as ...

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

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