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British startup Pulsar Fusion has unveiled Sunbird, a space rocket concept designed to meet spacecraft in orbit, attach to ...

A British propulsion company is aiming to harness nuclear fusion and drastically cut travel times to far off places in space.

It uses nuclear fusion, the same energy process that powers the Sun ... But in space, they can change the game. Once a spacecraft is in low-Earth orbit, a Sunbird can grab it and sling it toward Mars, ...