Starship

Starship Flight 12 flew on May 22, 2026 from the new Starbase pad — the Version 3 debut (Booster 19 / Ship 39, Raptor 3). The prospectus (as of June 2026) counts 12 Starship flight tests. Height remains 124 meters. Starship is the most powerful rocket ever built, and it is the vehicle Elon Musk intends to use to make humanity multiplanetary.

What it is

Starship is SpaceX's fully reusable, two-stage super heavy-lift launch vehicle, which is just a way of saying it is a rocket big enough to haul huge loads and built to be flown over and over. The lower stage, called Super Heavy, is a 71-meter booster powered by 33 methane-burning Raptor engines. The upper stage, confusingly also called Starship, carries the crew or cargo. Stacked together they stand about 124 meters tall and 9 meters wide, and the whole thing is designed to fly, land, refuel, and fly again. Nothing this large has ever been built to be reused.

Why it exists

The reason came before the hardware. In late 2012 Elon laid out a fully reusable interplanetary transport system, first called the Mars Colonial Transporter, with one purpose: get enough of humanity off Earth to survive a disaster here. He has put it plainly: "Becoming multiplanetary is critical to ensuring the long-term survival of humanity and all life as we know it." Mars, the way he sees it, is the backup drive for the species.

That is the big-picture case. There is also a nearer one. A self-sustaining city on Mars needs cheap, frequent, heavy transport, and so does the satellite business that pays for it, so the same machine serves both. That overlap is on purpose: the launch revenue that covers the bills today is meant to fund the harder, longer trip tomorrow. Starship is the biggest version of that bet yet.

How it works

A rocket is a constant balancing act between thrust, weight, and reuse. Super Heavy makes roughly 76 meganewtons of thrust at liftoff, more than twice what the Saturn V managed on the way to the Moon.

That power comes from methalox, a mix of liquid methane and liquid oxygen, a fuel chosen partly because it can be made on Mars from what is already there. Each Raptor engine delivers about 330 seconds of specific impulse at sea level, which is a measure of how efficiently it turns fuel into speed.

Reusability is not free. Saving the booster and the ship means carrying landing hardware, heat shielding, and spare propellant, and all of that eats into what you can lift. The current reusable goal is 100 to 150 metric tons to low Earth orbit, and flown as a throwaway, with nothing recovered, the same vehicle could push up to about 250 tons. The 2016 Interplanetary Transport System concept aimed higher still, before reality trimmed the plan down.

Where it stands today

The flight-test program is the clearest signal of progress, and its cadence is accelerating.

Through Flight 11, SpaceX has flown 11 full-stack tests and caught the returning Super Heavy booster three times (Flights 5, 7, and 8), guiding a 71-meter booster back into the launch tower's "chopstick" arms. Catching a skyscraper-sized booster with a giant pair of chopsticks is, by any reasonable standard, showing off. Flight 9 reflew an already-flown booster for the first time. Starship Flight 12 flew on May 22, 2026 from the new Starbase pad — the Version 3 debut, with Booster 19 and Ship 39 powered by Raptor 3 engines. The prospectus counts 12 Starship flight tests. NASA is a paying customer here: a contract worth up to 2.89 billion dollars makes a Starship variant the Human Landing System that will set astronauts on the Moon under the Artemis program.

What comes next

Two milestones define the road ahead. The first is the Moon, where NASA's Artemis program is aiming for a Starship Human Landing System mission no earlier than 2027 on the way to putting astronauts back on the surface. The second is Mars, where Elon has set out a self-sustaining city of a million people by the 2050s, fueled by propellant made after they arrive. Both depend on the same unproven step: rapid, airline-style reuse at scale, which is where the money lives. Drive the cost per kilogram to orbit down far enough and the heavy-lift market, Starlink deployment, and travel between planets all change at once. As Eric Jorgenson's "The Book of Elon" frames it, the survival case Elon keeps coming back to is simple in shape: a second, self-sustaining home is insurance for the species, far enough from Earth to outlast whatever happens here.

The bottom line

Starship is a bet that the way to make space cheap is to stop throwing rockets away, and that cheap space is what makes everything else possible, from a Moon base to a city on Mars. The hardware is flying, the booster comes home, and the cost of it all, not the physics, is now the thing left to prove.