The ancient history of Earth has always been hard to read. Most of the planet’s earliest crust has been lost, buried, or melted by geologic processes over billions of years.

They reveal that the chemical composition of the deep mantle has remained almost intact since the Earth's formation 4.5 ...

This new research advances our understanding of suitable environments for natural hydrogen generation,” said Sascha Brune, ...

In 2008 scientists reported that rocks in Canada were the world’s oldest. New data appear to confirm this contested claim ...

Yet some regions are far enough from tectonic plate boundaries to contain rocks that have remained unchanged for billions of ...

Geologists have long debated whether a stony formation in Canada contains the world’s oldest rocks – new measurements make a ...