SpaceX Scrubs Starship Flight 13 Launch Over Engine Issues

So here's the deal: SpaceX tried to launch Starship — the biggest, most powerful rocket ever built — for its 13th test flight, and at the very last second, it just... didn't happen. Not an explosion, not a dramatic failure mid-flight. The countdown hit zero, the engines were supposed to fire up, and four of them just didn't light. The onboard computer noticed something was wrong and automatically called off the whole thing before the rocket ever left the pad.

Here's why that matters: this rocket has 33 engines on its booster (called Super Heavy), and they're supposed to ignite in a staggered sequence to protect the launch pad from the insane heat and vibration of liftoff. A graphic of engine status on SpaceX's live stream showed that four of the 33 Raptor 3 engines on the booster never ignited, forcing SpaceX to scrub the launch at the last moment. The countdown itself had gone smoothly all day — the 90-minute window opened at 6:45 p.m. EDT, and the countdown proceeded without issue, with more than 11.5 million pounds of liquid methane and liquid oxygen loaded into the rocket before the automated abort kicked in.

Elon Musk jumped on X pretty quickly to explain what happened. "Some of the engines didn't start, triggering an automatic launch abort. Now offloading propellant. Next launch attempt hopefully in a few days," he wrote. He later added more detail: "To be confident of a good flight, 2 Raptors will be removed & replaced. Most probable launch timing is early next week," he said.

This flight actually carries a bit more weight than your average test. This planned test flight represents the 13th full-scale Starship launch and the second to utilize SpaceX's upgraded Starship Version 3 rocket equipped with third-generation Raptor 3 engines. The previous flight, back in May, also had engine trouble, and Flight 13 was supposed to prove SpaceX had fixed it. It was also going to carry actual working cargo for the first time — 20 next-gen Starlink satellites — instead of dummy weights, plus test upgrades to the heat shield that protects the ship on reentry.

Why should you care if you're not a space nerd? Two reasons. First, Starship is the rocket NASA is counting on to land astronauts on the Moon again through the Artemis program, so delays here ripple into that timeline. Second, this is the first time SpaceX has attempted to launch Starship since the company made its stock market debut in June, listing under ticker SPCX at $135 per share, meaning public investors are now watching every outcome in real time. Reports vary on exactly how much SPCX stock dropped afterward — some say around 3%, others cited a bigger 5% drop — but either way, a scrub that used to just be a shrug for space fans is now a market-moving event too.

As for what's next: SpaceX swapped out the two problem engines, then got delayed again by weather before finally launching. So this wasn't a one-and-done story — it took multiple tries to get this bird off the ground.