A powerful new propulsion test by NASA signals a major shift in how humans could reach Mars, as engineers successfully fired ...

Russia is quietly testing a new plasma propulsion system that, if it performs as claimed, could dramatically change how long it takes to travel to Mars. Early results suggest a leap in speed and ...

Here’s what you’ll learn when you read this story: While chemical rockets penned the opening pages of the story of human spaceflight, countries around the world are eager to start a new chapter: ...

NASA has successfully tested a lithium-fed magnetoplasmadynamic thruster at a record 120 kilowatts, marking a major step forward in high-power electric propulsion. Conducted at the Jet Propulsion ...