Dig discoveries are a type of archaeological research that involves excavating and studying artifacts from the ground. Fossils are one of the most common types of dig discoveries, as they provide evidence of past life forms and can help to reconstruct the history of the Earth. Digging for fossils is an important part of archaeological research, as it can provide valuable information about the environment in which the fossils were found. Additionally, fossils can also provide insight into the evolution of species over time.