How SpaceX’s massive Starship rocket might unlock the solar system — and beyond

From trips to Neptune to planetary defense. This month will see the largest rocket in human history making it to space. Made by SpaceX for NASA's upcoming missions to the Moon, the rocket's first orbital test launch is making scientists dream about what might be possible with such technology at our disposal. Jonathan O'Callaghan breaks down what sets Starship apart from previous rockets, why SpaceX's conviction to make it re-usable will also make it cheap, and how Elon Musk's plans are much more grandiose than just going back to the Moon again.