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Lords Of War by jahobes reviews
The Citadel is but a shadow of its former glory. The Terminus systems led by the Batarians and Salarians stand as the new masters of the Galaxy. Or so they thought? Heavily AU. Humanity based off of the Expanse T.V series. HFY.
Crossover - Mass Effect & Expanse - Rated: T - English - Sci-Fi/Drama - Chapters: 16 - Words: 20,091 - Reviews: 66 - Favs: 317 - Follows: 470 - Updated: 2/11 - Published: 6/9/2016 - Garrus V., Liara T'Soni
The Space Age of Humanity by TimeTraveller-1900
What if...Professor Bernard Quatermass not only successfully got Britain out into space, but his work inspired other nations which made them come up with new ideas, and also inspired the Epstein drive?
Crossover - Quatermass & Expanse - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 1,131 - Favs: 7 - Follows: 4 - Published: 12/1/2022 - Complete
Into Space by TimeTraveller-1900 reviews
The aliens have been defeated, but President Whitmore warns everyone the aliens might be back. Because of the destruction, everyone takes it seriously and soon they are going into space.
Crossover - Independence Day & Expanse - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 2,070 - Reviews: 3 - Favs: 25 - Follows: 24 - Published: 7/25/2022 - Complete
Shattered Times and Timelines: Chronowerx's Legacy - Into the Expanse by TimeTraveller-1900 reviews
Set in the timeline where Rain Robinson got into Chronowerx, and has been using technology and science from the Aeon database and already much of the solar system has been explored, but now it's going further as the largest fleet in Human history is going to be travelling to Mars, and then beyond.
Crossover - StarTrek: Voyager & Expanse - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 1,195 - Reviews: 1 - Favs: 16 - Follows: 12 - Published: 7/23/2022 - Complete
The First Interplanetary War by TimeTraveller-1900 reviews
Prospectors, pirates, failures and successes...A history of space travel in a combined Expanse and Mass Effect universe.
Crossover - Mass Effect & Expanse - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 3 - Words: 4,369 - Reviews: 8 - Favs: 41 - Follows: 39 - Published: 6/17/2022 - Complete
how to build a spaceship : : for everyone in the world by howtobuildaspaceship reviews
Positive scifi prequel to the Expanse. Philosophy imagining how we can build a better, more loving world for everyone. Dogecoin plus Moon resources plus Exponential growth in space-based solar leads to Carbon fibre orbital habitats for 10 billion people. Should Yellowstone get rowdy or we fail to see an asteroid coming... In addition to rising to the occasion of climate change.
Crossover - Halo & Expanse - Rated: K - English - Sci-Fi/Humor - Chapters: 1 - Words: 1,655 - Reviews: 1 - Favs: 2 - Follows: 2 - Published: 3/3/2021 - Complete
Beyond Sol System by Starbuck1988 reviews
What would have happened if the Dark ages only lasted 100 years, and a series of unfortunate events were to bring 2 different universes together? If you new how certain things unfold, how would humanity handle themselves?
Crossover - Stargate: SG-1 & Expanse - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 16,340 - Reviews: 33 - Favs: 52 - Follows: 66 - Updated: 3/16/2019 - Published: 11/22/2018 - J. Quinn, Alex K., Amos B., Bobbie D.
A Moments Rest by temari80
A short story based in the world of my fic, Legends of The Belt Amos takes Mick to a bar on Ceres
Crossover - Expanse & Legends of Tomorrow - Rated: T - English - Friendship/Family - Chapters: 1 - Words: 1,003 - Favs: 1 - Follows: 1 - Published: 10/26/2018 - Amos B., Mick Rory / Heat Wave, Constantine - Complete
The Traveler's Tale by temari80 reviews
Amy and Rory Pond have been living in 1940's New York for awhile. One day a man shows up and introduces himself as Josephus Miller and he is there on Melody aka Riversongs behalf. Soon Amy and Rory are once again on the Tardis and heading to another whole universe. What kind of trouble can brew when the crew of the Tardis meet the crew of The Rocinante and all their friends.
Crossover - Doctor Who & Expanse - Rated: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 6,208 - Reviews: 2 - Favs: 2 - Follows: 1 - Updated: 10/26/2018 - Published: 9/18/2018 - Amelia P./Amy, 11th Doctor, Rory W., J. Miller
Cyanogenic Specter by thallata reviews
Holden's brain is the perfect radio for the static that was Detective Miller. He can't tell the signal from the noise sometimes, but what he's really worried about is what it means that he can tune to it at all.
Crossover - Expanse series & Expanse - Rated: M - English - Sci-Fi - Chapters: 1 - Words: 4,900 - Reviews: 1 - Favs: 3 - Published: 7/12/2018 - J. Holden, J. Miller - Complete
Legends of The Belt by temari80
Captain Mick Rory of the Waverider is enjoying a quiet day when all of a sudden a mystery ship shows up in their cargo bay. Are they Friend or foe and what do they want?
Crossover - Expanse & Legends of Tomorrow - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 2,186 - Updated: 6/21/2018 - Published: 4/15/2018 - Mick Rory / Heat Wave, Sara Lance/White Canary
Plugged into the Driver's Seat by Hawki reviews
Oneshot: Through the protomolecule, Julie and Eros had become one. The expanse of space was her domain. Not just the present. But the past and future as well. In the place that lay between life and death, she could see the other that could see as well...
Crossover - Battlestar Galactica: 2003 & Expanse - Rated: K+ - English - Sci-Fi/Supernatural - Chapters: 1 - Words: 601 - Reviews: 1 - Favs: 4 - Follows: 2 - Published: 3/10/2018 - Julie M. - Complete