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 ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article was originally published at The Conversation. The publication contributed the ...

The Cosmic Microwave Background carries with it a record of events throughout the 13.8-billion-year history of the universe. When you purchase through links on our site, we may earn an affiliate ...