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 ...

LOS ANGELES — Scientists have made a groundbreaking discovery about the origins of the human outer ear, revealing that this distinctive mammalian feature evolved from an unexpected source: fish gills.

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 ...

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 ...

On Valentine’s Day in 2018, a team of scientists walked across a flat expanse in the badlands of northeastern Ethiopia, scanning the ground for fossils. An eagle-eyed field assistant, Omar Abdulla, ...

Scientists in Ethiopia unearthed pieces of 2.65 million-year-old fossilized teeth belonging to two members of a newly discovered Homo species that could challenge previously accepted understandings of ...

When people build cities and introduce invasive creatures, resident critter populations sometimes adapt Brian Handwerk - Science Correspondent When humans build cities and introduce invasive species, ...

Through advanced isotopic analyses, Rodnyel Arosemena seeks to understand how fish in the Caribbean and the Pacific that had a common ancestor take advantage of the resources of their different ...