Created up to 20,000 years ago, petroglyphs and geoglyphs were made by humans scraping one piece of rock against another.

Old Rock Art Shedding Light on Prehistoric Human Interaction With Dinosaurs An extraordinary discovery was made by ...

In a series of sculptures, Guadalupe Maravilla (previously) draws on his home country as he sculpts backpacks and enlarged ...

Finnish prehistoric rock paintings on cliffs were found to be effective sound reflectors, creating unique auditory ...