The new images, to be presented at an upcoming meeting of the American Physical Society, date back to when the universe was ...

The dark energy's impact may be weakening over time, according to new results from the DESI collaboration, which includes ...

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

If our 13.8 billion-year-old cosmos could be considered middle-aged, researchers note these new images captured around its ...

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

A project to map galaxies across the universe may have spied cracks in the foundation of our understanding of the cosmos.

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

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

Welcome to March 20, a day that has seen its fair share of transformative events throughout history. **Scientific Milestone: ...

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

Dark energy, in the form of a cosmological constant (Λ), has been seen as responsible for the accelerating expansion of space ...