- Haben Schwarze Löcher keine Haare?
- Half Hours with the Stars
- Half Hours With the Telescope
- Half-Hours with the Stars
- Half-Hours With the Stars: A Plain and Easy Guide to the Knowledge of the Constellations
- Half-hours with the Telescope
- Handprints on Hubble
- Harlow Shapley: Biography of an Astronomer: The Man Who Measured the Universe
- Harmonia Macrocosmica
- Hasta el infinito y más allá
- Hawking esencial
- Hawking Radiation 2
- Hawking Radiation 3
- Heaven on Earth
- Heavenly Intrigue
- Heavenly Numbers
- Hello, is this planet Earth?
- Here Be Dragons
- Herschel at the Cape
- Herschel at the Cape
- HIGH TIDE- PLANETS
- Histoire de la Terre et de la vie
- Histoires du ciel
- Historia del Cielo
- History of Planetariums in India: 1954-2018
- História do Programa Espacial Brasileiro
- História Da Ciência
- Homo Sapiens Sapiens - O Desaparecimento
- How Big is Big and How Small is Small
- How Einstein Ruined Physics
- How I Killed Pluto and Why It Had It Coming
- How Standard Time is Obtained
- How the Universe Will End (Collins Shorts, Book 1)
- How to Build Your Own Spaceship
- How to Die in Space
- How to Live on Mars
- How to Love the Universe
- How to Make a Spaceship
- How to Pee in Zero G
- How to Photograph the Northern Lights
- How to Speak Science
- How to Swindle By Faking Science
- How to Use Plastic Sextants
- How We See the Sky
- How We'll Live on Mars
- HowExpert Guide to Astronomy
- Hubble Focus: Our Amazing Solar System
- Hugh L. Dryden's Career in Aviation and Space: NACA Aeronautics, X-15 Rocketplane, NASA Mercury Astr...
- Human & Alien UFO Anti-Gravity Research
- Human Design
- Human Health and Performance Risks of Space Exploration Missions: Evidence Reviewed by the NASA Huma...
- Human Universe
- Humanity and the Universe
- Humans in Space (Big Ideas: Low Intermediate)
- Humble before the Void