The oldest fossilised remains of complex animals appear suddenly in the fossil record, and as if from nowhere, in rocks that are 538 million years old.

New evidence suggests that upright walking may have begun 7 million years ago, reshaping what we thought we knew about our earliest ancestors.

One new fossil discovery helps shed some light on early titanosaur evolution, while another leads to some controversial ...

The classification of one of the most complete human ancestor fossils ever discovered, the skeleton known as Little Foot, has been called into question by an international research team led from La ...

One of the most complete human ancestor fossils ever found may belong to an entirely new species, according to an ...

A landmark study of an ancient thigh bone confirms when our earliest ancestors stood upright. This discovery proves that the ...

Ancient England snake fossil Paradoxophidion helps explain how modern snakes evolved during warm humid Eocene period.

A seven-million-year-old fossil may rewrite human origins, showing our ancestors were walking upright far earlier than anyone expected.

Advanced biomechanical modeling shows that early mammal ancestors likely used an eardrum to hear airborne sounds 250 million ...

New study of 7-million-year-old fossils from Chad proves Sahelanthropus tchadensis walked upright while still climbing trees.

A new analysis of these primordial bones offers evidence that Sahelanthropus was our first known ancestor to regularly walk on two feet, a sign that bipedalism evolved early in our lineage.