Modern humans descended from not one, but at least two ancestral populations that drifted apart and later reconnected, long before modern humans spread across the globe. Using advanced analysis ...

And when they searched through a library of genetic information from thousands of humans, they discovered that the same gene was associated with a higher body mass in people, too. Before this ...

Dogs that are constantly hungry and prone to being overweight share a common bit of biology with some obesity-prone humans. This is what UK scientists have discovered - identifying a genetic ...

A modified pig liver transplanted into a human patient appears to have functioned normally for the duration of the ...

Genetic engineering in non-human primates has long been limited by the need for virus-based gene delivery methods. Recently, ...