More than three million years before ancient civilizations emerged, a small-brained, upright-walking hominin lived in what is now South Africa. Known...

Nature had already reclaimed the fossil site once, burying it beneath layers of sand. If the crew failed this time, they would have to wait another...

Nature had already reclaimed the fossil site once, burying it beneath layers of sand. If the crew failed this time, they would have to wait another...

Nature had already reclaimed the fossil site once, burying it beneath layers of sand. If the crew failed this time, they would have to wait another...

Digital reconstruction of the face of the Little Foot fossil. Credit: A. Beaudet / CC BY-SA 4.0 More than three million years before ancient...

Digital reconstruction of the face of the Little Foot fossil. Credit: A. Beaudet / CC BY-SA 4.0 More than three million years before ancient...

Between 720 million and 635 million years ago, Earth may have experienced one of the most extreme climate episodes in its history. During this time,...

Between 720 million and 635 million years ago, Earth may have experienced one of the most extreme climate episodes in its history. During this time,...