Since when did human beings/homo sapiens exist on the Earth?

Homo sapiens. Where Lived: Evolved in Africa, now worldwide. When Lived: About 200,000 years ago to present. Homo sapiens have lived since about 200,000 years ago. The species that you and all other living human beings on this planet belong to is Homo sapiens. read more

Something like 200,000 years ago what is termed anatomically modern humans evolved, although it's possible that that figure will be revised in the future. read more

Since this is a space website, it’s also worth noting when humans began leaving Earth. The first human mission to space took place April 12, 1961 when Soviet cosmonaut Yuri Gagarin made a single orbit of Earth in his spacecraft, Vostok 1. read more

Homo antecessor may be a common ancestor of humans and Neanderthals. At present estimate, humans have approximately 20,000–25,000 genes and share 99% of their DNA with the now extinct Neanderthal and 95–99% of their DNA with their closest living evolutionary relative, the chimpanzees. read more