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

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

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

A new analysis of astronomical data suggests unknown physics is at work assisting dark energy in acting almost as ...

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

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

These included the Planck space observatory's measurements of the cosmic microwave background, the oldest light we can see ..

The universe has been expanding ever since the Big Bang almost 14 billion years ago, and astronomers believe a kind of invisible force called dark energy is making it accelerate faster.

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

a phenomenon known as the cosmic microwave background. That's what these new maps show — and they're clearer than ever before, the researchers say. For example, they're able to see not just how ...