Next Generation Satellites Might Skim the Atmosphere, Using Air as a Propellant
Peregrine moon lander carrying human remains doomed after 'critical loss' of propellant
Astrobotic: Peregrine lander suffering "critical loss of propellant", teams analyzing "alternative mission profiles" to maximize possible scientific data capture
Spacecraft Could be Equipped With Tiny Thrusters That Use Water for Propellant
