A new study challenges the traditional interpretation of the cosmic microwave background, this fossil light from the Big Bang ...

The cosmic tour adds to Google's mapping offerings that now include Earth, Mars and the moon. The package includes 125 Hubble images with captions and links to news and background information.

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.

Known today as the Cosmic Microwave Background, it’s alternatively been called the “primeval fireball” or the Big Bang’s leftover glow. It was an astonishing prediction dating back to ...

Until we can directly detect the signatures of what was released earlier -- the cosmic neutrino background, gravitational waves from inflation, etc. -- the CMB will be our window into the earliest ...

The primordial cosmic microwave background (CMB) radiation has since traveled some 13.8 billion years through the expanding cosmos to our telescopes on Earth and above it. But the CMB isn’t just ...