Scientists studied the remains of a mysterious human relative called Homo naledi found deep in a South African cave and ...

It started as a curiosity atop a mantelpiece, a primate’s fossilized skull displayed as an interesting knickknack. Yet it would soon help unlock humans’ evolutionary story, providing the first clues ...

Introduction. Human interactions with ecosystems ; Demonstrating causality for human-environmental interactions ; Committee charge and scope of this study -- Existing understanding of the ...