A never-before-seen image of the cosmic microwave background, combining data from the Atacama Cosmology Telescope (ACT) and ...

Cosmic microwave background is a sea of radiation that provides ... has since been revived to describe the mysterious dark energy that is currently speeding up the universe’s acceleration.

A faint cosmic spin – one rotation per 500 billion years – could resolve the stubborn Hubble tension by tweaking standard ...

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

Measurements of the faint afterglow of the Big Bang (known as the cosmic microwave background) are also important. They do not directly measure dark energy or how it evolves, but they provide clues ...

But when they are combined with other experiments’ data from supernovae surveys and the cosmic microwave background, the confidence that dark energy is indeed wavering approaches 99.997 percent ...

The collaboration measured the polarization of light from the cosmic microwave background (CMB ... of 1,300 are the dominating vacuum energy (also called dark energy) of empty space." ...

Dark energy is the mysterious force driving ... and the appearance of the cosmic microwave background. But in recent years, two troubling tensions have popped up. One such problem, known as ...

The fate of the universe hinges on the balance between matter and dark energy: the fundamental ingredient ... of the universe's infancy—the earliest cosmic time yet accessible to humans.

Astronomers discovered cosmic microwave background radiation in the 1960s ... background radiation is the remains of the heat energy from the Big Bang, spread thinly across the whole Universe.