aerospike engine
air-breathing engine
Alcubierre warp drive
antigravity
antimatter propulsion
apergy
arcjet

beamed-energy propulsion bias drive
Breakthrough Propulsion Physics Program
Bussard ramjet

Casimir effect
chaotic control
contact ion thruster
Cosmos 1

Daedalus, Project
diametric drive
differential sail
diode sail
disjunction drive
DS4G (dual-stage 4-grid) ion engine
Dyson slingshot

electric propulsion
electromagnetic propulsion
electron bombardment thruster
electrostatic propulsion
electrothermal propulsion
exotic matter

faster-than-light travel

generation ship
genome, interstellar transmission

Hall effect thruster
helicon thruster
HOTOL

induction ring
induction sail
interstellar ark
interstellar distances
interstellar precursor mission
Interstellar Precursor Mission (design study)
interstellar probes
Interstellar Probe Mission (JPL project)
interstellar propulsion
interstellar ramjet
interstellar travel
ion propulsion

JIMO (Jupiter Icy Moons Orbiter)

laser propulsion
light barrier
Longshot, Project
Lorentz force turning

M2P2 (Mini-Magnetospheric Plasma Propulsion)
magnetic levitation launch assist
magnetic sail
magnetoplasmadynamic (MPD) thruster
mass driver
methane rocket engine
microwave plasma thruster
microwave-induced fusion propulsion
Millis drives

negative mass propulsion
NERVA
     NRX
     XE-Prime
NSTAR
nuclear power for spacecraft
nuclear propulsion
nuclear pulse rocket
Nuclear Rocket Development Station (NRDS)
nuclear-electric propulsion

one-g spacecraft
orbital airship
orbital cycler
orbital loop
Orion, Project

Penning trap
photon propulsion
Prometheus, Project
ProSEDS (Propulsive Small Expendable Deployer System)
pulse detonation engine
pulsed-plasma thruster

reactionless drive
relativistic effects
resistojet
Roton
Rover (nuclear program)
     KIWI
     Nuclear Furnace 1
     Peewee 1
     Phoebus

Saturn V upgrades
SEDS (Small Expendable-tether Deployer System)
SERT (Space Electric Rocket Test)
Shkadov thruster
sky hook
Skylon
sleeper ship
solar sail
solar-electric propulsion
SP-100
space ark
space drive
space elevator
space plane
space sail
space tether
starship
stellar engine

tachyon
teleportation
Thousand Astronomical Unit (TAU) probe
time dilation
TSS (Tethered Satellite System)

vacuum energy drive
VASIMR (Variable Specific Impulse Magnetoplasma Rocket)
Voyager Interstellar Mission (VIM)

warp drive
wormhole

XIPS (xenon-ion propulsion system)

zero point energy (ZPE)