Planetary Protection: Safeguarding Worlds from Biological Contamination

A Brief History Of Time: From Big Bang To Black Holes

Ocean Worlds: Exploring Water-Based Habitats in Our Solar System

Cosmos

Biomarkers: Chemical Signatures of Life in Space Exploration

The Fabric of the Cosmos: Space, Time and the Texture of Reality

Astrochemistry: The Chemical Evolution of the Universe and Life's Origins

Billions & Billions: Thoughts on Life and Death at the Brink of the Millennium

Exobiology: The Science of Life Beyond Earth

Human Universe

Planetary Habitability: Factors That Make Worlds Suitable for Life

The Elegant Universe

Space Biology: How Life Adapts to the Cosmic Environment

Origins: Fourteen Billion Years of Cosmic Evolution

Terraforming: Engineering Planets for Human Habitation

Our Mathematical Universe: My Quest for the Ultimate Nature of Reality

Biosignatures: Detecting Life's Chemical and Physical Traces Across the Cosmos

The Varieties of Scientific Experience: A Personal View of the Search for God

Biosphere Evolution: How Life Changes Planets Over Time

The Planets