An international team of cave explorers has shown that cave walls and the prehistoric rock art that adorns them can preserve human DNA for thousands of years.
DNA preservation on cave walls is highly variable, but scientists say their work is an important step on the path toward ...
A red dot on a cave wall in Portugal does not look like much. It’s a small mark, crusted over by minerals, easy to miss ...
A hand stencil pressed onto a cave wall in Sulawesi, Indonesia, is now dated to at least 67,800 years ago, making it the ...