Add Yahoo as a preferred source to see more of our stories on Google. The Nuvvuagittuq Greenstone Belt in northeastern Canada is home to the oldest rocks on Earth (Jonathan O'Neil) Earth formed about ...

Most people carry a fairly comfortable picture of the planet they live on: solid ground underfoot, north is north, and ...

Fossils and ice cores are fine if you want to study the past 2 billion years, but if you want to look at Earth's deep past, ...

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. The rare remnants that ...

Intro -- Preface -- References -- Contents -- 1 Why Hadean? -- Abstract -- 1.1 Introduction -- 1.2 Organization of This Book -- 1.2.1 A Brief Overview -- 1.2.2 Chapter Themes -- 1.3 Defining the ...

An artistic conception of the Hadean Earth. Huge, impact-generated lava lakes coexisted with surface liquid water, under a thick greenhouse atmosphere sustained by lava outgassing. Graphite —- better ...

Los Angeles may be a city obsessed with youth, but it is also home to the world’s largest collection of Hadean zircons — the oldest known material on Earth. Hadean zircons are tiny — about the same ...