Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years. Mountains have been built and eroded, continents and oceans have moved ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers Carrie Mongle and Meave Leakey discuss Paranthropus boisei hand fossils, held in the cases pictured, at the Turkana ...

(Reuters) -Researchers have unearthed near Lake Turkana in northern Kenya fossils of hand and foot bones belonging to an extinct human relative dating to 1.52 million years ago, revealing that this ...