(CNN) — Pressed into a piece of rock is the flattened, 47 million-year-old body of a cicada. Measuring about 1 inch (26.5 millimeters) long with a wingspan of 2.7 inches (68.2 millimeters), its ...
Add Yahoo as a preferred source to see more of our stories on Google. A group of periodical cicadas on a shrub. (Gene Kritsky, Mount St. Joseph University) For the first time in 17 years, a certain ...