A 260 million-year-old fossil has been determined to be the oldest ancestor of turtles found to date, revealing something about the reptile's mysterious past. Back in the olden days, or rather 260 ...

For decades, turtles have stumped scientists trying to place the shelled reptiles on the evolutionary tree. Now, a new study published in Current Biology argues the mystery is finally closer to being ...

Add Yahoo as a preferred source to see more of our stories on Google. It's a long-held idea that turtles can tuck their heads into their shells when threatened. But is it true? And is this protective ...

POCATELLO — Thanks to researchers at the Idaho Museum of Natural History, Idaho State University and their colleagues around the globe, we’ve got the answer to a question perplexing paleontologists ...