Starry Messenger: Cosmic Perspectives on Civilization

The Elegant Universe: Superstrings, Hidden Dimensions, and the Quest for the Ultimate Theory

Letters from an Astrophysicist

The Extraterrestrial Species Almanac: The Ultimate Guide to Greys, Reptilians, Hybrids, and Nordics

Endurance: A Year in Space, A Lifetime of Discovery

The Science of Star Trek: Star Talk Radio

New Cold Wars: China's Rise, Russia's Invasion, and America's Struggle to Defend the West

Space Spin-Offs: Star Talk Radio

The Anniversary of Apollo 11: Star Talk Radio

New Scientist: The Origin of (almost) Everything: from the Big Bang to Belly-button Fluff

Summer Skies: Star Talk Radio

The Magic of Reality: How we know what's really true

Telescopes that Rocked Our World: Star Talk Radio

Superagency: What Could Possibly Go Right with Our AI Future

What's Exploration Worth: Star Talk Radio

The Astronomy Book: Big Ideas Simply Explained

A Universe of Inspiration: Star Talk Radio

Just Six Numbers

Cosmic Quackery: with special guest: The Amazing Randi

Isaac Asimov's Guide to Earth and Space