One of the most popular explanations for why menopause evolved in some species is called the grandmother hypothesis. Essentially, older females stop having offspring of their own, and redirect energy ...

Discover the latest news, features and articles about the origin of the human species and what makes us different from our ...

In the dry, rugged badlands of Ethiopia’s Afar Region, a team of scientists has uncovered fossils that could change how you picture human evolution. These finds, dating back between 2.6 and 2.8 ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

Human beings have been at the center of ecological change on Earth for thousands of years. But as history shows, no species ...

Evolution is perhaps the most extraordinary story ever told—a tale spanning billions of years that connects every living thing on Earth through an intricate ...

Fossil teeth unearthed in Ethiopia suggest two distinct human ancestor species lived alongside each other between 2.6 and 2.8 million years ago, reshaping what is known about our evolution. The 13 ...

The generally accepted theory of the spread of ancient humans from Africa, where they first evolved, known as “Out of Africa,” holds that a single species, Homo erectus, subsequently migrated to ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

A lost chapter in human evolution has been revealed after an analysis of modern DNA found that we come from not one but two ancestral populations—ones that drifted apart and later reconnected long ...