The grooves carved into the boulder look strikingly similar to the pattern of a tortoise shell. While it's unknown what this design means, it's possible that this was an ancient symbol of ...
The 35,000-year-old rock was found in Manot Cave, which was inhabited by both prehistoric humans and Neanderthals ...
The Twentynine Palms Marine Corps base houses vulnerable young desert tortoises until they're hardy enough to withstand ...