During Phase II, developers will build upon the assessments from Phase I to optimize the engine design, perform proof ... to ...

Heart of Gold spaceship flies to Mars loaded only with equipment to build the propellant plant. First crewed mission with equipment to build rudimentary base and complete the propellant plant.

Any vehicle traversing the rocky terrain on Mars needs a sturdy set of wheels. NASA’s Perseverance rover, for example, sports thick aluminum ones covered in cleats to enhance its traction and mobility ...