In the endless pursuit of faster, more efficient travel, engineers have been cooking up all kinds of new forms of propulsion. One of the most interesting to emerge in the last decade is the electric ...

Russia is once again trying to vault itself to the front of the space race, this time with a plasma engine that officials say could reach Mars in roughly a month. If the technology performs as ...

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: ...