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Japan's quest for space just got a whole lot funkier - and environmentally friendly! Interstellar Technologies, a daring startup, has shaken up the space industry by testing a prototype rocket engine ...

A Japanese startup is experimenting with alternative rocket fuel options. The startup, Interstellar Technologies Inc., says it was able to kickstart a space rocket engine designed to run off ...

A Japanese space startup has taken a big step toward developing its first orbital rocket — which will be powered by gas from cow dung. Interstellar Technologies Inc. recently performed a combustion ...