Ancient petroglyphs carved into volcanic rock outside Bishop in the eastern Sierra were recently damaged by vandals, and federal authorities want to bring the wrongdoers to justice. The U.S ...

Few petroglyphs in the world grab the same attention ... Today, freshwater stingrays only live in South America, but 40 million years ago, species like Asterotrygon and Heliobatis swam in ...

A $1,500 reward has been offered for tips on the vandalism of ancient petroglyphs at the Volcanic Tableland near Bishop, California. Photo from Bureau of Land Management Ancient petroglyphs ...