The Multiverse

Kepler's Witch

An Astronomer's Discovery of Cosmic Order Amid Religious War, Political Intrigue, and the Heresy Trial of His Mother

God According to God

A Physicist Proves We've Been Wrong About God All Along

The Dancing Wu Li Masters

An Overview of the New Physics

The Airplane

How Ideas Gave Us Wings

The Roswell Dig Diaries

Sci Fi Declassified

The Phaselock Code

Through Time, Death and Reality: The Metaphysical Adventures of Man

The Spaceships of the Visitors

An Illustrated Guide to Alien Spacecraft

Mars

A Survival Guide

Lonely Planets

The Natural Philosophy of Alien Life

Coming of Age in the Milky Way

Darwin's Doubt

The Explosive Origin of Animal Life and the Case for Intelligent Design

When Science Meets Religion

Enemies, Strangers, or Partners?

The Ant and the Ferrari

Solar Cataclysm

How the Sun Shaped the Past and What We Can Do to Save Our Future

Breaking the Time Barrier

The Race to Build the First Time Machine

After the Martian Apocalypse

Extraterrestrial Artifacts and the Case for Mars Exploration

Arcturian Songs Of The Masters Of Light

Arcturian Star Chronicles, Volume Four

Evolutionaries

Unlocking the Spiritual and Cultural Potential of Science's Greatest Idea

A Beginner's Guide to Constructing the Universe

The Mathematical Archetypes of Nature, Art, and Science

2026 Guide to the Night Sky

A month-by-month guide to exploring the skies above North America

Once Upon a Time in Space

Accompanying the landmark BBC documentary series: Our Journey Into The Unknown

The Meteorite Hunters

On the Trail of Extraterrestrial Treasures and the Secrets Inside Them

Time Now

The True Nature of Reality

Ordinary Chondrites

The Most Common Meteorites