SpaceX's Starship Prototype Explodes in Fourth Failed Test

Like everything else in 2020, the fourth prototype of SpaceX’s next-generation rocket has gone up in flames. It’s the latest in a series of spectacular explosions to plague the company’s Starship programme. The Starship SN4 prototype underwent a ground-level trial of its Raptor engine known as a static-fire test at the company’s development facility...