Human evolution’s biggest mystery, which emerged 15 years ago from a 60,000-year-old pinkie finger bone, finally started to unravel in 2025.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Noted public figures like David Attenborough have previously claimed ...

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 ...

A sculptor's rendering of "Lucy," Australopithecus afarensis, at the Houston Museum of Natural Science on August 28, 2007. Dave Einsel / Getty Images About 3.2 million years ago, among the prehistoric ...

The Indigenous peoples of the Bolivian highlands are survivors. For thousands of years they have lived at altitudes of more than two miles, where oxygen is about 35 percent lower than at sea level.

In 1758, Swedish biologist Carl Linnaeus gave humans a scientific name: Homo sapiens, which means "wise human" in Latin. Although Linnaeus grouped humans with other apes, it was English biologist ...

Food processing has been a part of human adaptation since deep in the past. The softening and breaking down of food left its testimony on the human body. For example, the massive teeth of our ...