Physicist Alan Guth, the father of cosmic inflation theory, describes emerging ideas ... a division separate from the magazine's board of editors. Credit: Deanne Fitzmaurice/National Geographic ...

Known as the cosmic microwave background, the microwaves are a relic from a time when the universe was first cooling down ...

The primary goal of the mission is to probe the theory of “cosmic inflation.” The gist of the theory is that, back in the day — well, literally at the beginning of time and space ...

Cosmic microwave background is a sea of radiation ... as if they are moving away from us. Others then used his theory to build models of an expanding universe. This was the beginning of today ...