About nine out of every ten humans on Earth are righties. This strange imbalance ...

If you’re a lefty and have ever felt excluded from the right-handed club as you write a letter, throw a ball, or wield a ...

Aside from our big brains, the trait that most distinguishes humans from other animals is our ability to walk fully upright on two legs, a style of movement without parallel in the animal kingdom. But ...

Scientists may have cracked the case of whether a seven-million-year-old fossil could walk upright. A new study found strong anatomical evidence that Sahelanthropus tchadensis was bipedal, including a ...

In the early 2000s, researchers uncovered primate bones that were approximately seven million years old in Chad’s Djurab Desert. Since then, the fossils, which belonged to the extinct species ...

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Brain size and bipedalism are the most likely drivers of our species’ right-hand dominance, according to new research ...

Artist's reconstruction of Sonselasuchus cedrus in its environment in what is now Petrified Forest National Park, 215 million years ago. (Artwork by Gabriel Ugueto) (CN) — An ancient crocodile ...