Currently the heaviest spacecraft is the International Space Station, nearly double Shuttle-Mir's mass in orbit. It began assembly with a first launch in 1998, however it only attained its full weight in the 2020s, due to its modular nature and gradual additions. Its mass can change significantly depending on what modules are added or removed.

Starship is a two-stage fully reusable super heavy-lift launch vehicle under development by American aerospace company SpaceX. On April 20, 2023, with the first Integrated Flight Test, Starship became the most massive, tallest, and most powerful vehicle ever to fly. [9] .

SpaceX's third launch attempt of Starship took the spacecraft farther and higher than ever before.

Today, Boca Chica is where the future of human space flight is being shaped. And as early as Wednesday, April 19, the town will have distinguished itself as the place from which the tallest,...

SpaceX launched its enormous Starship rocket for the fifth time ever Oct. 13, on a test flight that featured a mid-air catch of the first-stage Super Heavy booster.