It's true -- Earth's near orbit is filled with all sorts of stuff. Most of it is mundane, and most people honestly don't think about it too often. But, just recently, a mysterious unmanned craft landed after more than 900 days out there in the inky depths of space, prompting Ben and Matt to ask: What the heck is the X-37B actually doing up there? Tune in for part one of this special two-part series. They don’t want you to read our book.