Texas researchers have now definitively dated a distinctive rock art tradition, a profound discovery shared across multiple ancient Mesoamerican cultures.For thousands of years, ancient forager societies across southwest Texas and northern Mexico painted these stunning murals, known as the "Pecos River Style," inside remote limestone rock shelters.These colossal murals stretch up to 100 feet long and soar 20 feet tall...Though the desert climate perfectly preserved these significant American works, researchers only recently attempted to date the tradition...To pinpoint the art's origin, researchers employed 57 radiocarbon dating analyses across 12 sites, utilizing plasma oxidation and accelerator mass spectrometry, which firmly placed...