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 ...

Nuclear rockets promise to cut the travel time to Mars almost in half, giving astronauts a safer and faster journey through deep space. Instead of burning chemical fuel, these engines heat propellant ...

A century after Robert Goddard’s first-ever launch of a liquid-fueled rocket, two NASA experts weigh in on what his legacy still holds for spaceflight’s future Before that moment among the cabbages, ...