In recent decades, scientists have debated whether a seven-million-year-old fossil was bipedal—a trait that would make it the ...

A new fossil analysis supports the idea a human ancestor was walking upright far earlier than previously thought.

Scientists may have cracked the case of whether a seven-million-year-old fossil could walk upright. A new study found strong ...

A two-million-year-old fossil could change what we thought we knew about one of our ancient human relatives. A few vertebrae from the lower back of an Australopithecus sediba reveal that the hominin ...

One of the most complete human ancestor fossils ever found may belong to an entirely new species, according to an ...

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

In the arid landscapes of the Afar region in Ethiopia, a series of bones dating back 3.4 million years could shake up what we ...

Natural history is a difficult thing to conceptualize. You’ve got eons of undocumented progress, like the evolution of many species. Take, for example, the Australopithecus, an ancient great ape ...