The remains of a small-statured, 3-foot-tall, adult hominid nicknamed the hobbit lived in a cave on the Indonesian island of Flores. Take a photo journey to see how scientists have been digging up the past lives of these hobbits.
Here's a look at CT scans of a 305-million-year-old arachnid discovered encased in rock in France. The little creature was not quite a spider. This arachnid lived alongside true spiders, but did not have the silk-spinning spinnerets.