The first human Mars explorers won’t have it easy. Every additional day in deep space will increase their exposure to deadly ...

A new era for space propulsion? An ion engine twenty-five times more powerful than NASA's current best model has just been ...

"This marks the first time in the United States that an electric propulsion system has operated at power levels this high, reaching up to 120 kilowatts." When you purchase through links on our site, ...

Rocket science got a bit more science-fiction-like as RocketStar announces it has successfully demonstrated a new ion drive that incorporates nuclear fusion. It's not the sort of fusion that powers ...

CLEVELAND — A small robotic surveyor arrives to explore a near-Earth asteroid. Another robotic spacecraft is returning to Earth with a pristine comet surface sample. Meanwhile, a robotic explorer is ...

Proving yet again that Star Trek was scarily prescient, NASA has announced that its NEXT ion drive -- NASA's Evolutionary Xenon Thruster -- has operated continually for over 43,000 hours (five years).