Study of the fossils comes under

The study of fossils is called paleontology. Paleontology is a branch of science that focuses on the identification, classification, and interpretation of the remains of organisms from the past, including their preserved hard parts such as bones, shells, and teeth, as well as traces of their activity like footprints and burrows.

Paleontologists use fossils to reconstruct the history of life on Earth, including the evolution of various species, the development of ecosystems, and the impact of environmental changes over geological time. Fossils provide valuable clues about the anatomy, behavior, and ecology of extinct organisms, helping scientists piece together the puzzle of life's evolutionary history.