New evidence suggests Sahelanthropus was our earliest bipedal ancestor

Scientists have unearthed the remains of Sahelanthropus tchadensis, potentially one of our earliest ancestors. A new analysis ...

Is this humankind's earliest ancestor? Scientists argue a 7 million-year-old ape-like animal was the first to walk on two legs

It's considered one of the most decisive steps in human evolution. Now, scientists believe they have pinpointed when our ...