Deep in your muscles, an enzyme called AMPD1 helps turn chemical fuel into usable energy. When it does not work well, muscles tire faster.

For more than a century, Neanderthals have been cast as a vanished side branch of the human family tree, a brief encounter in our deep past. The latest high resolution Neanderthal genome, combined ...

What Neanderthal DNA is doing in modern genomes Genetic studies have made it clear that interbreeding between early Homo sapiens and Neanderthals was not a rare accident but a recurring part of our ...

When scientists sequenced the Neanderthal genome in 2010, they learned that Neanderthals interbred with human ancestors before mysteriously going extinct. As a result, many people alive today share up ...

Every face carries a story, shaped long before birth by a quiet choreography of genes switching on and off at just the right moment. A new study suggests that part of that story reaches far back into ...