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Fossil Evidence Suggests Early Homo Had Abandoned Tree-Climbing by 1.8 Million Years Ago

17 September 2026 at 01:29

A depiction of an early Homo (right) characterized by relatively greater bone strength of the femur in the thigh compared to the humerus in the arm, and a depiction of an older human ancestor, Australopithecus (left), characterized by more equivalent strength in the bones of the arm and thigh. Image credit: Cullen Townsend.

New research led by University of the Witwatersrand and University of Southern California paleoanthropologists sheds more light on one of the most debated transitions in human evolution: when our ancestors stopped regularly climbing trees and committed fully to walking on two legs.

The post Fossil Evidence Suggests Early Homo Had Abandoned Tree-Climbing by 1.8 Million Years Ago appeared first on Sci.News: Breaking Science News.

Paleontologists Uncover New Mosasaur Species in Egypt’s Western Desert

Sci.News

By: News Staff

16 September 2026 at 20:13

Halisaurus arambourgi, a species of mosasaur from Late Cretaceous of Marocco. Image credit: DiBgd / CC BY-SA 4.0.

Paleontologists have described a previously unknown species of mosasaur -- a group of extinct marine reptiles that patrolled Cretaceous seas alongside dinosaurs on land -- based on fossils unearthed in Egypt’s Dakhla Oasis.

The post Paleontologists Uncover New Mosasaur Species in Egypt’s Western Desert appeared first on Sci.News: Breaking Science News.