At first, the ground crack is a few inches wide, as it cuts south from a dirt road through mesquite-and-creosote flats about a dozen miles south of Eloy. Slowly, it opens up, at times wide enough to ...

New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor. Join hosts Emily Kwong ...