- Space - Space Exploration ## 'Everything we know about space travel is going to change within a decade': The fusion breakthrough that could unlock a path to the stars Several companies have made significant headway toward nuclear fusion propulsion drives. Is humanity on the brink of a revolution in spaceflight? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. - Copy link - Facebook - Reddit - Pinterest - Flipboard Fusion-powered space travel has long held the promise of rapid trips across the solar system: Mars in weeks, Saturn in…