Explore SpaceX’s powerful Starship and its mission to reach Mars and beyond. ExtremeTech breaks down its design, goals, and ...

While you might dismiss the idea as entirely science fiction, it almost wasn't. The Sea Dragon, a super-heavy lift launch vehicle, was a real concept under consideration with NASA in the 1960s.

Dragon, which corresponds to the "Starship" part of Starship ... Three of the engines are designed for sea-level use, and the other three are for use in a vacuum. They use subcooled liquid ...