A never-before-seen image of the cosmic microwave background, combining data from the Atacama Cosmology Telescope (ACT) and the Planck satellite, offers a high-definition view of the early Universe.

At least for me, the most interesting thing in the popular superhero TV show WandaVision is the brief mention of the cosmic microwave background (CMB). It happens in Episode Four, "We Interrupt This ...

So much happened in the earliest moments of the universe. Elementary particles appeared, the first nuclei of hydrogen and helium, and fluctuations of energy and matter set into motion the formation of ...

A glow undetectable to the human eye permeates the universe. This light is the remnant signature of the cosmic beginning — a dense, hot fireball that burst forth and created all mass, energy, and time ...

Join host Abigail Bollenbach as she walks you through the basics of the cosmic microwave background, the oldest snapshot of the infant universe. A glow undetectable to the human eye permeates the ...

Cosmic microwave background is a sea of radiation that provides us with evidence for the big bang. When around 1916 Einstein first used general relativity to build a cosmic model, he followed the ...

Today, researchers announced the first direct evidence* for cosmic inflation—the idea that, less than a second after the Big Bang, the universe blew up like a balloon in a process of exponential ...