That’s why projects like NASA’s SLS aren’t sustainable and why many have looked for ways to create propellant-free thrusters to help revolutionize how space travel works. Now, a former NASA ...

U.S. lunar lander Peregrine in jeopardy hours after launch 06:35. The Peregrin lunar lander, crippled by a propellant leak shortly after launch early Monday, is now expected to run out of fuel ...

The company behind the first U.S. commercial moon lander says there is now no chance of a successful landing on the lunar surface after the spacecraft suffered a propellant leak. “Given the ...

A propellant-less rocket might sound like science fiction, but it's a reminder that the future is closer than we think. Dr. Buhler is pioneering a new chapter in space exploration, one that could ...

SpaceX said Monday that last month’s Starship explosion was brought on by a cascading series of events caused by propellant leaks — a problem the company says has been addressed ahead of an ...