Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

Scientists have identified a 4.16-billion-year-old rock formation in northern Quebec, potentially the oldest known fragment of Earth's crust. This discovery pushes back the timeline of Earth's known ...

Earth is about 4.5 billion years old, and as the eons passed, the crust of the young planet experienced turbulence. Asteroid collisions shattered some parts, which melted and recrystallized, while ...

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

The ancient history of Earth has always been hard to read. Most of the planet’s earliest crust has been lost, buried, or ...

Rocks older than 4.03 billion years could shed light on Earth's earliest geological history, but they're incredibly rare.

We are part of a research team that has confirmed the oldest known rocks on Earth are located in northern Québec.__ ...

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