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  1. Human evolution | History, Stages, Timeline, Tree, Chart, & Facts ...

    5 days ago · Human evolution, the process by which human beings developed on Earth from now-extinct primates. The only extant members of the human tribe, Hominini, belong to the species Homo …

  2. Human evolution - Hominin, Habitats, Adaptations | Britannica

    5 days ago · Human evolution - Hominin, Habitats, Adaptations: The section Background and beginnings in the Miocene describes certain global climatic changes that reduced forested areas and …

  3. Human evolution - Bipedalism, Adaptations, Fossils | Britannica

    Dec 7, 2025 · Human evolution - Bipedalism, Adaptations, Fossils: There are many theories that attempt to explain why humans are bipedal, but none is wholly satisfactory. Increased speed can be ruled out …

  4. Human evolution - Fossils, Species, Adaptations | Britannica

    Nov 17, 2025 · Smithsonian National Museum of Natural History - Introduction to Human Evolution

  5. Hominin | Definition, Characteristics, & Family Tree | Britannica

    These forms and hominins make up the hominid subfamily Homininae. Some researchers consider hominins to be African great apes because of their shared ancestry with modern gorillas, …

  6. Human evolution - Emergence, Homo Sapiens, Bipedalism | Britannica

    5 days ago · There appear to have been successive migrations of hominin species out of Africa, with evolution of new species in Eurasia and occasional migrations back into Africa.

  7. Human evolution - Brain Size, Adaptations, Fossils | Britannica

    5 days ago · Human evolution - Brain Size, Adaptations, Fossils: Because more complete fossil heads than hands are available, it is easier to model increased brain size in parallel with the rich record of …

  8. Human evolution - Tooth Reduction, Bipedalism, Brain Size | Britannica

    5 days ago · There appear to have been successive migrations of hominin species out of Africa, with evolution of new species in Eurasia and occasional migrations back into Africa.

  9. Hominidae | Definition, Characteristics, & Family Tree | Britannica

    Nov 8, 2025 · The primary resource for detailing the path of human evolution will always be fossil specimens. Certainly, the trove of fossils from Africa and Eurasia indicates that, unlike today, more …

  10. Hominin Evolution, Climate Change, Migration - Britannica

    Quaternary - Hominin Evolution, Climate Change, Migration: American paleontologist Elisabeth Vrba and other scientists have suggested that climate changes 2.5 million years ago accelerated the …