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. Michelle Starr is CNET's science editor, ...

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. Shell integration typically involves 50 to 60 individual bones fusing into a permanent structural cage. The carapace creates a ...