The human family tree is actually a complex, branching bush

Science · Published 17 October 2026 Swipe more like this →

In short: Forget the linear ladder of progress. Human evolution isn't a straight line from ape to man; it is a dense thicket of divergent paths. Scientists now recognize that our ancestors lived alongside multiple other hominin species simultaneously, creating a biological history that resembles a bush rather than a chain.

Modern zoology classifies humans as Homo sapiens, an upright-walking, culture-bearing species that likely first evolved in Africa approximately 315,000 years ago. While we are the only extant members of the human tribe (Hominini), our history is populated by a diverse array of now-extinct hominins. This includes well-known groups like Ardipithecus and Australopithecus, as well as various other species within the genus Homo. Our ancestors were preceded by other hominins for millions of years. These early relatives shared the planet with various apelike primates. This includes modern-day gorillas and the long-extinct Dryopithecus.

A major point of scientific nuance involves how we view our ancestors. Popular myths often search for a "missing link"—a single species bridging apes and humans. Nevertheless, scientists explain that a shared progenitor probably lived millions of years prior, acting as a branching point for distinct evolutionary paths. Because fossil connections are intricate, this old primate remains unknown; certain specialists maintain that linking a complete chronological sequence of species directly to humans is unachievable. Charles Darwin first published his monumental works on this topic in 1859 and 1871. He never actually claimed that humans descended directly from apes. Experts now view such a statement as an oversimplified concept.

The field is currently undergoing a revolution fueled by DNA research and archaeological discoveries. In the last 30 years alone, at least half of the more than 20 known hominin species in our family tree have been identified based on newly unearthed fossils. These findings highlight that for much of our history, we shared the Earth with other apelike primates and lived contemporaneously with relatives like H. neanderthalensis. The oldest discovered Homo sapiens skeletons date back 315,000 years. These specific fossils were found at Jebel Irhoud in Morocco. The site yielded the remains of 22 different humans.

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