New study of 7-million-year-old fossils from Chad proves Sahelanthropus tchadensis walked upright while still climbing trees.

We may only ever have 47 of the 207 bones that made up the skeleton of this 3.18-million-year-old Australopithecus afarensis specimen known affectionately and widely as Lucy, but it’s been enough to ...

Scientists have achieved a breakthrough in robotics by designing the first robotic leg equipped with “artificial muscles,” allowing the machine to move more like a human than previously possible. The ...

For years, the body’s largest lean tissue—skeletal muscle—has been underestimated in its role in managing metabolic health. Despite its size, it contributes surprisingly little to blood sugar and fat ...

As you bite into a crisp apple, your jaw muscle contracts, allowing you to grind the fruit between your teeth. When you climb a flight of stairs, your gluteus maximus (or "glutes") push your body ...