such as the great diversification event of the Ordovician.” “This new discovery opens the door to quantitatively study future Ediacara trace fossils discovered in the coming years,” he concluded, “and ...

A new study of ancient fossil trails pushes the origins of complex life deeper into Earth’s history, before the Cambrian Period began.

The Cambrian explosion was an extraordinary phenomenon in the evolution of life on the planet that led to the emergence of ...

In a first-of-its-kind study, Stanford researchers have measured how the abundance of ocean life has changed over the past ...