The Cosmic Microwave Background (CMB) radiation, a remnant of the Big Bang, provides a snapshot of the universe at approximately 380,000 years old, when it became transparent to light. Three satellite ...

VANCOUVER, Canada — Hidden in the peaks and valleys imprinted on the cosmic microwave background — the radiation leftover from the Big Bang — is a wealth of information not only about the early ...

The first 400,000 years after the Big Bang are inaccessible to us by using light; the material that filled the entire cosmos made it opaque. However, neutrinos interact very little with ordinary ...

The cosmic microwave background can help scientists piece together the history of the universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.