Forge Mods for Minecraft Java
Browse 216 free Forge mods for Minecraft Java — popular picks include Ad Astra: Planets+, Reusable Rockets, Practical Space Fireworks.
Step by step: How to install Minecraft Java mods & modpacks
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Ad Astra: Planets+
Adds more planets moons and star systems to explore in Ad Astra!
Reusable Rockets
Reusable Rockets
Practical Space Fireworks
Fireworks, practically applied to send your satellite into space!
Space Dimensions (Forge)
Build space vehicles and explore the Solar System
More Planets
An add-on adds new planets into Galacticraft, which has it own unique environments.
Interstellar: Exoplanets
Yet Another Galacticraft Addon
NTM Space
The fork of NTM that adds Space Travel
Dangerous Firework
Makes all Firework rockets explode when used with an Elytra
Star Wars Planets
An addon for Ad Astra adding Planets From Star Wars and more !
Cosmos Infinia | Space Mod
A Technological Space Exploration Mod With Many Additions From Tools, Suits, Biomes, Ores And Much More
Flan's Mod Space Race Content Pack
Adds various spacecraft for Flan's Mod.
Advanced TFR Rocketry
Advanced Rocketry for Modpack Terra Firma Rescue
Discontinued: Syconn's Star Wars Mod
This Mod is bring you to a galaxy far far away.
HBM/NTM structure
Dive into the world of post-apocalyptic survival! This addon massively expands the NTM Extended mod with various structures, from abandoned bunkers and tanks to hazardous zones and even crashed spaceships!
Cosmic Armory
A low-tech tech mod aimed at improving the end-game with outer-space materials.
SpaceCraftX - Reloaded
Galacticraft Addon | SpaceX in Minecraft
OCRocketry
Control AdvancedRocketry stuff with computers!
Boat Rocket
For Boat Driving at Turbo Speed
Modern Decor Wooden
This mod implements modern furniture like PCs, desks, keyboards, ergonomic chairs, neon lights, and wooden panels. Ideal for creating stylish offices, bedrooms, and minimalist spaces. Perfect for modern interior design in Minecraft.
Beyond Space [Module for Galaxy Space]
Extend horizons!
Compressed Factory
This is a space managing mod. By compressing space you can fit large rooms in a much smaller space.
Cosmic Rocketry [CR]
Ad Astra Rocket Extension
Ad Astra Planetary Swapper
Adds a simple item to Ad Astra that allows for space travel without rockets
Genesis
A space mod for Valkyrien Skies
VS Genesis
A space mod for Valkyrien Skies
HBM's NTM CE: Space
The only existing port of NTM: Space 1.7 fork onto 1.12.2 in a form of addon for NTM: Community Edition.

Astral Zinc
Adds zinc to some planets in Ad Astra.
GTQTSpace
Core mod for modpacket GTQT
Zero Point Labs
Innovative technologies for high-performance spacecraft locomotion.
Firework Cooldown
Gives firework rockets a cooldown after using them to boost an elytra
Advanced Rocketry Holo-Assembler
Holo-Assembler for Advanced Rocketry: adds a powerful utility item for building Advanced Rocketry multiblocks.
Cosmos Unbound
A mod that makes it possible for Cosmic Horizons to be playable in Survival.
Dataplanets
Dataplanets provides infinite planets for VS: Genesis!

Ragex's Nuclear Tech
A sci-fi chemistry learning tool about space, science, immersion and of course Nuclear Tech.
Cosmos Uncharted
An (Server side) addon to Cosmic Horizons allowing many mods with basic flight abilities to be Compatible.
Neroland Core
The shared foundation library for the Neroland sci-fi mod ecosystem — required by Nerospace and every other Nero mod.