Take a journey through time, space, and the story of life on Earth. Be amazed by the simple things that scientists examine to tell time. The youngest of explorers can even go out and try these time measurements on their own.

How old is the Earth? What is the oldest thing of all? Where did life come from? These are just a few of the BIG QUESTIONS that readers will investigate in: "Answers to your BIGGEST QUESTIONS! Exploring...EVERYTHING.