Molecular phylogenetics is a scientific method used to study the evolutionary relationships among various species by analyzing their genetic material. By comparing DNA, RNA, or protein sequences, researchers can construct a "family tree" that illustrates how different organisms are related through common ancestors. This approach provides insights into the history of life on Earth and helps clarify the classification of species. The field has advanced significantly with the development of genomic sequencing technologies, allowing scientists to gather large amounts of genetic data quickly. This information enhances our understanding of biodiversity, evolution, and the mechanisms driving species adaptation and divergence over time.