Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years. Mountains have been built and eroded, continents and oceans have moved ...

The primary objective of relative dating techniques is to determine a reliable sequence of archaeological deposits. This task becomes more difficult whenever our research steps beyond individual sites ...

Ask an archaeologist how old the site they’re excavating is, and they may not have an answer. Though they may have a hunch, a site can only be accurately dated after it’s been discovered and excavated ...