Repeated exercise, or wasting, can change the way key genes work.

Our early human ancestor was capable of running, if slowly, a new study finds. By Franz Lidz More than three million years after her death, the early human ancestor known as Lucy is still divulging ...

When it comes to cardiovascular exercise, running is in a class of its own. It's a sport that has endured millennia—the oldest and once only Olympic event was a sprint known as the stadion, but its ...