A compact NASA space telescope that uses less power than a refrigerator is poised to chip away at that very large question.

Physicist Alan Guth, the father of cosmic inflation theory, describes emerging ideas about where our universe comes from, what else is out there, and what caused it to exist in the first place.

The theory was first proposed by physicist Alan Guth in the 1980s, who suggested that after the Big Bang, around 13.8 billion years ago, the universe expanded exponentially quickly for a fraction ...