A new study challenges the notion that anatomically modern humans began inhabiting rainforest habitats just 70,000 years ago.

The findings push back the timing of ancient human rainforest occupation "by more than double," said archaeologist Eslem Ben ...

The ability of our skeletons to move with both flexibility and stability can be traced back to ancient jawed fish. Scientists studied modern cartilaginous fish, such as sharks and skates, and compared ...