What If ETs Are Real?

Theories of the Universe

"Live from Cape Canaveral"

Covering the Space Race, from Sputnik to Today

Beyond Star Trek

From Alien Invasions to the End of Time

Ethics in an Age of Technology

Gifford Lectures, Volume Two

Aliens

Mystifying True Stories of Alleged Alien Encounters

Rheticus

Astronomical Visionary and His Quest for Truth

Space to Grow

Unlocking the Final Economic Frontier

Aliens

They Never Left

What If ETs Are Real?

Gemini and Mercury Remastered

A Little History of Everything

From the Big Bang to you (and every moment in between)

Outback Astronomer

The extraordinary story of how an amateur astronomer's unwavering passion for the cosmos propelled him from the mines of Broken Hill to working with NASA

Rocket Dreams

Musk, Bezos, and the Inside Story of the New, Trillion-Dollar Space Race

The People's Spaceship

NASA, the Shuttle Era, and Public Engagement after Apollo

The Story of Astrophysics in Five Revolutions

GNSS Applications in Earth and Space Observations

Challenges and Prospective Approaches

Cosmic Fragments

Dislocation and Discontent in the Global Space Age

Spacecraft Modeling, Attitude Determination, and Control

Quaternion-Based Approach, Second edition

Celestial Secrets - Unlocking the Universe

Celestial Wonders, #1

Our Cosmic Neighborhood - A Tour of Our Galactic Backyard

Celestial Wonders, #3

Matter and Energy Cycles in the Space-Time System

The "Supreme - Universe" is the Great-grandmother of All Genesis, Part 2. The constructional aspects of the Baby Universe.

6, #2

Earth 2.0 - The Search and Implications of Finding Another Habitable Planet

Stop Everything, Read This

Space Technology

Smithsonian: Informational Text