The experiment, published in the journal BioRxiv, aimed to understand how ancient genetic variants contributed to skeletal differences between early humans and modern Homo sapiens. The specific ...

Nine thousand years ago, humans began domesticating cats. Nine hundred years ago, before the advent of intentional cat breeding, a genetic mutation gave rise to the first orange cat. Days ago, ...

For nearly a century, scientists have been puzzling over fossils from a strange and robust-looking distant relative of early ...

For decades, the dream of fixing harmful mutations in mitochondrial DNA felt out of reach. Scientists have long known these ...