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.

¿La evolución humana se entiende como un árbol genealógico o como una red? Descubre por qué la evidencia de 2026 reescribe la historia.

A team of researchers from the University of Sydney and the University of Glasgow argues that dietary sugars, not animal foods, may have played the decisive role in the expansion of the human brain over the past 4 million years, as hominin brain size grew nearly fivefold, from about 300 grams in early relatives like […]

The post Study Points to Sugar, Not Just Meat, as Fuel for Human Brain Evolution appeared first on Sci.News: Breaking Science News.

For decades, paleoanthropologists assumed that hominins -- the lineage leading to modern humans -- gradually grew larger over millions of years.

The post New Study Challenges Long-Held Idea that Our Ancestors Simply Got Bigger Over Time appeared first on Sci.News: Breaking Science News.