The cosmic microwave background (CMB) radiation originated about 300,000 years after the Big Bang. The CMB's light, initially near-infrared, is now microwave radiation due to the universe's expansion.

Cosmic radiation is what it sounds like: radiation from space. In this article, we explore what it is, why we are protected from it on Earth, how it affects people in specific jobs, and how it can ...

The Big Bang theory is supported by the observed expansion of the universe and the cosmic microwave background radiation. The universe's early moments involved a hot, dense state with the formation of ...

Bell Labs built a giant antenna in Holmdel, New Jersey, in 1960. It was part of a very early satellite transmission system called Echo. By collecting and amplifying weak radio signals bounced off ...

An unusual cold spot in the oldest radiation in the universe, the cosmic microwave background, may be caused by a cosmic defect created just after the Big Bang, a Spanish and U.K. research team has ...

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 ...