Walking out into your yard to enjoy a warm afternoon, only to find a hollow alien-looking bug casing clinging to your favorite tree, would probably send a chill down anyone's spine. During a mass ...

Depending on the species, cicadas emerge from their underground homes every two to 17 years. During their time outside, cicadas molt as part of their growth, undergoing a fascinating trasnformation.

Add Yahoo as a preferred source to see more of our stories on Google. Cicadas emerge from underground nests every two to 17 years, depending on species. At this time, many molt as they grow into ...