outer space

The 100 (The 100 #1)
172 Hours on the Moon
Andor (Season #1)
Armada
Avalon (Avalon #1)
Brightly Burning
Cress (The Lunar Chronicles #3)
Crownchasers (Crownchasers #1)
Dangerous
Dark Matter (Season #1)
Day 21 (The 100 #2)
Defy the Fates (Constellation #3)
Defy the Worlds (Constellation #2)
Earth Girl (Earth Girl #1)
Earthseed (Seed #1)
Entangled (Entangled #1) 
The Evaporation of Sofi Snow (The Evaporation of Sofi Snow #1)
The Expanse (Seasons #1-6)
Fairest: Levana’s Story (The Lunar Chronicles #3.5)
For All Mankind (Seasons #1-4)
The Ghosts of Heaven
Golden Son (Red Rising Saga #2)
Leia: Princess of Alderaan (Journey to Star Wars: The Last Jedi #3)
Light Years (Light Years #1)
The Loneliest Girl in the Universe
Lost in Space (Season #1)
Lost Stars (Journey to Star Wars: The Force Awakens)
Mirage (Mirage #1)
Moonfall
Morning Star (Red Rising Saga #3)
Mothership (Ever-Expanding Universe #1)
A Complicated Love Story Set in Space
A Confusion of Princes
The Quelling (The Quelling #1)
Saga, Volume 1 (Saga #1)
Saga, Volume 2 (Saga #2)
The Season of Passage
Shadow Run (The Kaitan Chronicles #1)
Star Splitter
Star Trek: Discovery (Season #2)
Star Trek: Voyager (Seasons #1-7)
Stars Above (The Lunar Chronicles #4.5)
Stone in the Sky (Tin Star #2)
Their Fractured Light (Starbound #3)
These Broken Stars (Starbound #1)
This Shattered World (Starbound #2)
Tin Star (Tin Star #1)
Toxic
Unmade (Entangled #2) 
Winter (The Lunar Chronicles #4)
Zenn Scarlett (Zenn Scarlett #1)
Zodiac (Zodiac #1)