- Life Everywhere: The Maverick Science of Astrobiology
- Weird Science. At the Edge of Infinity and Beyond
- Teleportation: The Impossible Leap
- DEEP TIME: The Journey of a Single Sub-Atomic Particle from the Moment of Creation to the Death of the Universe - and Beyond
- Equations of Eternity: Speculations on Consciousness, Meaning, and the Mathematical Rules That Orchestrate the Cosmos