An AI simulation of an impact shows basalt-rich (purple) and basalt-poor (green) regions. (Curtin University) The planet Earth we live on today bears very few traces of its infancy. The 500 million ...

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 ...

The formation of continents was an important step in Earth’s history. Continents and plate tectonics are connected to the planet’s habitability, and the same is true for the habitability of other ...

The Hadean is the earliest eon in Earth’s geologic history, spanning from the planet’s formation about 4.56 billion years ago to roughly 4.0 billion years ago. It is characterized by accretion from ...

Life thrived on Earth far earlier than previously believed, flourishing under the harsh reign of the Hadean eon. LUCA—the last universal common ancestor—was even designed to fend off ancient viruses.

When you think about a large asteroid impact, you might imagine a moment of devastation: a violent collision, a blast of heat ...