Origins Online

: Evidence shows modern humans ( Homo sapiens ) evolved in Africa before migrating to Asia and Europe between 2 million and 1 million years ago .

: Explains how the first atoms (mostly hydrogen and helium) formed in the first few minutes of the universe.

: Key milestones include the development of bipedalism, tool use, and increased brain size. Origins

: Recent studies on human ancestry reveal that modern humans interbred with other hominins, such as Neanderthals and Denisovans. 4. The Origin of Civilization

: The rise of the first city-states (e.g., in Mesopotamia and Egypt) introduced complex social hierarchies, writing, and organized religion. : Evidence shows modern humans ( Homo sapiens

💡 : For a comprehensive historical perspective on how these theories developed, the Historical Development of Origins Research provides a detailed look at the shift from philosophical speculation to empirical science. Introduction to Human Evolution

Modern science traces all cosmic history back to a single point of origin approximately . : Recent studies on human ancestry reveal that

: Suggests that self-replicating RNA molecules preceded DNA and proteins as the first genetic material.