Parts of ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought.

A comprehensive examination of the oldest minerals on the planet, microscopic grains of zircon more resistant than diamond, ...

Long before oceans stabilized and continents formed, Hadean Earth was a world of molten rock, relentless asteroid impacts, and toxic atmospheres. Surface temperatures were extreme, and the young ...

During the Hadean eon, Earth was a world of constant impacts, molten rock, and a toxic atmosphere. The surface was repeatedly melted by asteroid strikes while intense heat escaped from the planet’s ...

Add Yahoo as a preferred source to see more of our stories on Google. The view from the Nuvvuagittuq greenstone belt, Nunavik, Quebec, Canada. - Jonathan O’Neil A rocky outcrop in a remote corner of ...

New ANU research is set to radically overturn the conventional wisdom that early Earth was a hellish planet barren of continents. An international research team led by Professor Mark Harrison of the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: In an investigation to find out what sparked life on ...

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 ...

Olivine cumulate from the Weltevreden Formation showing that although these cumulates are significantly altered, they still contain preserved unaltered olivine cores (microscopic image taken in ...