Advances in imaging techniques reportedly debunks a purported "animal" fossil from long before the Cambrian explosion.

Charles Darwin worried that the fossil record looked strangely abrupt, with complex animals appearing in a geological instant instead of gradually unfolding over deep time. A new idea about how ...

A chunky, squat creature that roamed Earth 307 million years ago is helping scientists understand how plant-eating animals first appeared on land. The newly described species is one of the earliest ...

Antarctic fish fossils are shedding light on early animal evolution, specifically the transition to land. A remarkably ...