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SpaceX just fired up its 33-engine Starship 'V3' Super Heavy rocket booster. When could it fly? (video)

SpaceX just took a big step toward its next Starship test flight, firing up all 33 engines of the vehicle's Super Heavy on ...

NASA Fires Up Record-Breaking Plasma Thruster for Future Mars Missions

NASA just tested a blazing-hot plasma engine that could help carry humans to Mars.