SpaceX's Starship rocket, the largest and most powerful launch vehicle the company has built, reached Earth orbit for the first time this week, a milestone in a test program that has included a mix of successes and dramatic failures since the vehicle's earliest flights.
The rocket deployed 26 third-generation Starlink satellites during the flight, adding to the constellation SpaceX uses to provide satellite internet service around the world. The mission was not entirely clean, however: a failure in one of the rocket's engines forced controllers to cut the flight short, ending it after about three hours instead of the ten hours originally planned.
Starship is central to SpaceX's long-term ambitions. The company has designed it to be fully reusable, with the goal of dramatically lowering the cost of getting large payloads into orbit, and NASA has selected a version of the vehicle to serve as the lunar lander for its Artemis program, which aims to return astronauts to the moon. Elon Musk has also spoken for years about using Starship as the vehicle to eventually carry people and cargo to Mars. Reaching orbit, even with an early engine issue, is widely seen as an important step after a program that has included several dramatic setbacks during ascent and reentry on earlier test flights.
The achievement arrived in the same week that Nvidia released two new open-source tools, called OpenShell and Nvidia Sentry, designed to help companies monitor and rein in autonomous AI agents that operate with less direct human oversight, a sign of how much of the technology industry's attention is now split between the frontier of space hardware and the fast-moving world of artificial intelligence software.
SpaceX has not detailed the cause of the engine failure or announced a date for its next Starship test flight.
Why is reaching orbit a big deal for Starship?
Earlier test flights had ended in failures during ascent or reentry, so reaching orbit and successfully deploying satellites marks real progress for the program.
What is Starship supposed to be used for eventually?
SpaceX designed it to be fully reusable for lower-cost launches, NASA has selected a version as its Artemis lunar lander, and the company has long talked about using it for future Mars missions.