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

Findings from the Dark Energy Spectroscopic Instrument (DESI) suggest that dark energy could be evolving over time. If ...

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

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

After five years of staring unblinking at the sky, the Atacama Cosmology Telescope (ACT) has compiled the most detailed map ...

New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent ...

A new image from the Atacama Cosmology Telescope reveals the universe in its infancy, showcasing the Milky Way and cosmic ...

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

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

A map of the CMB published by ACT researchers. Research by the Atacama Cosmology Telescope collaboration has led to the ...

Before it shut down, a telescope in Chile captured the universe's baby photos, just 380,000 years after the Big Bang. These ...