JOHANNESBURG, South Africa — One day, about 3.5 million years ago, a small ape-man walking through the rain forests fell to his death down a 45-foot-deep cave shaft near here, setting the sce… ...

Scientists at the University of Liverpool have dated an ape-man skeleton at 2.2 million years old suggesting that it may not have been part of the ancestral tree leading to humankind as originally ...