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SpaceX’s Starship rocket sails through first “flight-like” fueling test
SpaceX’s fully-assembled Starship rocket appears to have sailed through a major wet dress rehearsal test on the first attempt.
With the completion of that test, the next-generation SpaceX rocket has taken a big step toward its first orbital launch attempt. Starship measures around 120 meters (~394 ft) tall and 9 meters (~30 ft) wide, making it the largest rocket ever assembled. It’s designed to launch more than 100 metric tons (~220,000 lb) to low Earth orbit (LEO) in a fully-reusable configuration. At liftoff, Starship’s 33 Raptor engines will produce up to 7590 tons (16.7M lbf) of thrust, making it more powerful than any rocket in history by a large margin.
And on Monday, January 23rd, Starship likely became the heaviest rocket ever after SpaceX fully loaded the vehicle with propellant. Surprising most viewers, SpaceX also appeared to complete the complex test associated with that milestone without running into any major issues.
The update that's rolling out to the fleet makes full use of the front and rear steering travel to minimize turning circle. In this case a reduction of 1.6 feet just over the air— Wes (@wmorrill3) April 16, 2024
The apparent success is surprising because it simply hasn’t been SpaceX’s approach of choice while developing Starship. Since SpaceX began assembling Starhopper in an empty Texas field in 2018, the Starship program has been almost exclusively managed to prioritize speed and expect failures. The company almost always preferred to build, test, and learn from minimum-viable-product prototypes as quickly as possible, even if that meant that failures were guaranteed.
Because SpaceX expected failures, it learned from them and always had another prototype ready to carry the torch forward. Starship prototypes rarely completed ground or flight tests on the first try, as SpaceX was simultaneously learning – often catastrophically – how to test and operate those vehicles. The culmination of that failure-as-an-option strategy was a series of seven suborbital Starship tests – two short hops of identical prototypes and five launch and landing attempts of five more advanced prototypes between August 2020 and May 2021. On the fifth attempt, after four failures, a full-scale Starship successfully launched to 12.5 kilometers (~41,000 ft), shut off its engines, fell back to Earth, reignited its engines, flipped around, and landed in one piece.
By all appearances, the campaign was the ultimate corroboration of SpaceX’s development strategy. In the second half of 2022, however, SpaceX decided to dramatically change the Starship program’s approach to risk management and systems engineering. Starship testing has become exceptionally cautious over the last several months, as a result.
From fail-fast to slow-and-steady
There is a small chance SpaceX simply got lucky, but Starship’s first fully-assembled wet dress rehearsal test appears to indicate that that caution has paid off. Combined, both stages of the rocket – Ship 24 and Booster 7 – collectively completed dozens of separate proof tests and static fires since mid-2022. They also made it through several far more limited tests while stacked.
Having cautiously characterized each prototype about as well as it possibly could, SpaceX finally pulled the trigger on January 23rd. After hours of conditioning the Starbase, Texas orbital launch site’s giant tank farm, SpaceX opened the floodgates and loaded Ship 24 and Booster 7 with up to 4860 tons (~10.7M lbs) of cryogenic liquid oxygen and liquid methane propellant in about 90 minutes. Once fully loaded, the combined weight of the rocket and propellant likely exceeded 5000 tons (~11M lbs), making Starship the heaviest rocket in history. The next heaviest rockets ever built, Saturn V and N-1, weighed around 2800 tons (~6.2M lbs) fully loaded.
SpaceX was also able to drain Starship and return its propellant to the pad’s ground storage tanks about four hours after filling the rocket.
“Flight-like” testing
The company later confirmed that the test was a “full flight-like wet dress rehearsal,” as suspected, and noted that data gathered from it would “help verify a full launch countdown sequence, as well as the performance of Starship and the orbital pad for flight-like operations.” Parts of the test visible from unaffiliated webcasts like NASASpaceflight’s seemed to confirm as much. Shortly after Starship was fully loaded, for example, SpaceX activated the orbital launch mount’s fire extinguisher system, seemingly practicing the moments before the rocket would otherwise ignite its engines and take flight.
At no point during the wet dress rehearsal did SpaceX appear to enter any kind of hold or abort, indicating that the rocket’s systems were all working well enough together to smoothly complete it on the first try. The only mildly concerning behavior visible during the multi-hour test came shortly after Starship was topped off. Booster 7 opened one of its methane tank gas vents to relieve pressure and instead appeared to vent liquid methane, producing a flammable cloud thousands of feet long. More likely than not, the Super Heavy was slightly overfilled, and the liquid vent was an intentional response to that error. The cloud of methane thankfully did not find an ignition source, and Starship went on to finish the test as planned.
SpaceX has a lot of work left to prepare Ship 24 and Booster 7 for Starship’s first orbital launch attempt. Booster 7 must still complete one or several more static fires, during which it could become the most powerful rocket ever tested. To reduce risk, SpaceX will likely remove Ship 24 while testing Super Heavy, and reassemble the rocket only if Booster 7 passes its tests. SpaceX also needs to repair the pad after static fire testing and work with the Federal Aviation Administration (FAA) to finalize Starship’s first orbital launch license.
But after many false positives, Starship’s successful completion of a wet dress rehearsal on the first try has confirmed that the rocket’s orbital launch debut is – for the first time – actually close at hand.
Elon Musk
Tesla reveals it has expanded its Robotaxi fleet in Austin
there has never been an exact count of the Robotaxi fleet size, and Tesla continues to speak in cryptic fashion, only hinting at what the number of active vehicles could be.
Tesla revealed that it has expanded its Robotaxi fleet in Austin, Texas, but has not yet disclosed the exact number of vehicles currently operating as driverless ride-hailing cars in the city.
Before Tesla launched the Robotaxi fleet in Austin on June 22, CEO Elon Musk stated that the fleet would be initially small, comprised of between ten and twenty vehicles in total.
The small fleet size was a way to limit rides and not overwhelm the company as it launched into a new territory: offering driverless rides to those looking to get around Austin. With safety being prioritized, it was understood.
However, there has never been an exact count of the Robotaxi fleet size, and Tesla continues to speak in cryptic fashion, only hinting at what the number of active vehicles could be.
On Tuesday, it expanded its geofence for the third time, increasing the service area in Austin beyond the downtown area and into the suburbs, including the airport and even the Gigafactory Texas.
Tesla one-ups Waymo once again with latest Robotaxi expansion in Austin
The size of the geofence is now 173 square miles, up from 91 square miles, which is what it grew to in early August with its second expansion.
The company also said it “increased the number of cars available by 50 percent,” but would not give an exact count:
Increased service area from 91 to 173 sq miles
Also increased # of cars available by 50%
— Tesla Robotaxi (@robotaxi) August 27, 2025
Skeptics of the Robotaxi platform usually point to two things: the presence of a Safety Monitor in the vehicle and the lack of transparency regarding fleet size.
Tesla has done an excellent job of expanding the service area over the past two months, but it is also expanding the number of people it allows to hail a Robotaxi.
This makes the need for an increased fleet size more imperative.
However, no good reason comes to mind for the company not to tell an exact number, but Tesla has its justifications for it. Grok suggests the Robotaxi fleet could be anywhere from 30 to 75 vehicles in total, but this includes the Bay Area.
Musk did say Tesla is working to get the Bay Area fleet to over 100 vehicles. Hopefully, some clarification regarding fleet size will be provided in the coming weeks or months as the service area in Austin continues to expand.
News
Tesla China working overtime to deliver Model Y L as quickly as possible
This was, at least, hinted at by Tesla China VP Grace Tao in a post on Weibo.
The Tesla Model Y L appears to be a big hit in China, and this has resulted in Giga Shanghai doing all it can to meet all the orders for the extended wheelbase all-electric crossover.
This was, at least, hinted at by Tesla China VP Grace Tao in a post on Weibo.
Model Y L demand
The demand for the Model Y L in China seems to be substantial. Just days following the vehicle’s release, industry watchers estimated that Tesla received about 35,000 orders for the vehicle on the day of its launch. More recent estimates from industry watchers have suggested that Tesla China might have doubled its usual vehicle orders for August thanks to the new variant.
Considering the seemingly strong demand for the new Model Y L, it was no surprise that Tesla China would be extremely busy trying to address all the orders for the vehicle. Fortunately, VP Grace Tao highlighted in her Weibo post that Tesla is pushing hard to ensure that deliveries of the extended wheelbase all-electric crossover could start as soon as possible.
“Our colleagues at the Shanghai Gigafactory are working overtime to get the new car to you as soon as possible,” the Tesla China executive wrote in her Weibo post.
Model Y L deliveries
When the Model Y L was initially released, Tesla China listed the vehicle’s first deliveries to be sometime in September 2025. As of writing, however, new orders of the new Model Y L are listed with an estimated delivery date of October 2025. This suggests that the Model Y L has been sold out for September.
The new Model Y L has the potential to be a best-seller for the electric vehicle maker, thanks in part to its comfortable six-seat configuration and its reasonable starting price of RMB 339,000 ($47,180).
Elon Musk
Elon Musk’s xAI and X file antitrust suit against Apple and OpenAI over AI exclusivity
The suit accuses the companies of violating antitrust rules by limiting competition in the AI sector.
Elon Musk’s artificial intelligence startup xAI and social media platform X have filed a federal lawsuit against Apple and OpenAI. The suit accuses the companies of violating antitrust rules by limiting competition in the fast-growing AI sector.
The lawsuit
The lawsuit, filed on Monday, challenged Apple’s plan to integrate OpenAI’s ChatGPT into its devices. xAI argued that the partnership gives ChatGPT exclusive first-party access to hundreds of millions of iPhone users worldwide, providing an unfair landscape for competitors in the AI sector.
“As a result of the Apple-OpenAI deal, ChatGPT is not just the default — it is the only generative AI chatbot with a first-party integration into Apple’s smartphones,,” the lawsuit noted. The suit also stated that the deal would give OpenAI “exclusive access to billions of potential prompts.”
Musk’s filing describes the Apple-OpenAI agreement as an “unlawful” arrangement that unfairly disadvantages rivals and denies consumers choice. The complaint also accuses Apple of manipulating App Store rankings and delaying updates to disadvantage ChatGPT’s rivals, such as xAI’s very own Grok, as noted in a report from the Financial Times.
A broader feud
Musk’s move escalates an already contentious relationship with Apple and OpenAI. In 2022, he accused the iPhone maker of threatening to remove Twitter, now X, from its App Store, though he later resolved the “misunderstanding” with Apple CEO Tim Cook.
In 2023, Apple briefly paused advertising on X before resuming campaigns. Musk has also been outspoken against Apple’s 30% App Store commission.
OpenAI, for its part, has dismissed the claims in xAI and X’s lawsuit. In a comment, a spokesperson from the artificial intelligence startup stated that the suit was just part of Elon Musk’s tendency to harass the company.
“This latest filing is consistent with Mr Musk’s ongoing pattern of harassment,” the OpenAI spokesperson stated.
Musk has had a turbulent relationship with OpenAI. Musk is a co-founder of the startup when it was launched as a nonprofit, though he left its board in 2018. Since then, Musk has been very critical of OpenAI’s shift to a for-profit entity. He has also escalated his rhetoric against OpenAI CEO Sam Altman, whom he has called a “liar” several times.
Tesla reveals it has expanded its Robotaxi fleet in Austin
Tesla China working overtime to deliver Model Y L as quickly as possible
Elon Musk’s xAI and X file antitrust suit against Apple and OpenAI over AI exclusivity
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