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

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

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

Space photos remind us that, around every corner of our vast universe, something spectacular awaits. From the newest James Webb Space Telescope images to historic photos of groundbreaking space ...

New research by the Atacama Cosmology Telescope, or ACT, collaboration has produced the clearest images yet of the universe’s infancy – the earliest cosmic time accessible to humans. Measuring light ...