Antropology is the science of or study of Homo Sapiens using a holistic approach. The subfield of anthropology that involves the study of artifacts and sites to learn about past cultures, is called archaeology. Archaeology studies the artifacts and ecofacts from past cultures as a means of reconstructing past lifeways.
Artifact are objects made by humans, and by studying them it can be learnt how the people lived, what they do, how was their everyday life.