A Stunning Fusion Rocket Could Cut Interplanetary Travel in Half—and We'll Try It in Just 2 Years
Fusion has long been the propulsion end-goal for interplanetary travel, and a U.K.-based company thinks on its way to achieving that dream.
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Fluorescent caves show how alien life could exist on one of Jupiter’s moons
Fluorescent caves deep below America show how alien life could exist on one of Jupiter's moons, say scientists.