Bell Labs built a giant antenna ... began to use it as a telescope they found there was a background "noise" (like static in a radio). This annoyance was a uniform signal in the microwave range ...

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

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 ...

New observations with the Atacama Cosmology Telescope in Chile reveal the earliest-ever "baby pictures" of our universe, ...

As the universe expanded, the material cooled, condensing after ~400,000 years into neutral atoms, freeing the cosmic microwave background ... arising from the antenna. Indeed, in one of the earliest ...