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SpaceX President breaks silence on rumored Zuma mission failure

On a very cold & dark morning at LC-39A photographing Falcon 9. [Photo: Thaddeus Cesari]

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After some 24 hours of total silence from all parties involved, dubious rumors began to trickle out on the afternoon of January 8 suggesting that SpaceX’s launch of Northrop Grumman’s highly secretive Zuma payload had somehow failed. Without hesitation, otherwise reputable outlets like CNBC and the Wall Street Journal immediately published separate articles claiming that lawmakers had been updated about the mission and told that the satellite had been destroyed while reentering Earth’s atmosphere. Having completely failed to both make it to orbit and “perfectly” separate from SpaceX’s Falcon 9 second stage, these articles implicitly placed the blame on SpaceX.

Claims of Zuma’s failure to properly separate from the second stage of the rocket led immediately to suggestions that SpaceX was at fault. The satellite’s manufacturer, Northrop Grumman, also refused to comment due to the classified nature of the mission, and the company may well have had their hands tied by requirements of secrecy from their customer(s). Immediately following these quick revelations, SpaceX was understandably bombarded with requests for comment by the media and furnished a response that further acknowledged the off-limits secrecy of the mission. However, SpaceX also stated that the company’s available data showed that Falcon 9 completed the mission without fault.

Falcon 9 1043 and its Zuma payload are ready for launch once again, this time from the brand-new LC-40 pad. (Tom Cross/Teslarati)

Without any background knowledge of spaceflight, this flurry of reporting and corporate comments would seem to be perfectly reasonable and unsurprising. However, the barest application of simple logic and orbital mechanics (what is actually involved in launching satellites to orbit) would have almost completely invalidated the information purportedly given to them.

Around the same time as claims of complete failure and satellite reentry were published, amateur spy satellite trackers had already begun the routine task of tracking and cataloging Zuma’s launch and orbit. Following Ars Technica’s breaking (and thankfully even-keeled) article on whispers of failure, reputable journalist Peter B. de Selding corroborated the rumors with reports that Zuma could be dead in orbit after separation from SpaceX’s upper stage. These facts alone ought to have stopped dead any speculation that Zuma had reentered while still attached to the Falcon 9 upper stage, and this was strengthened further by Dr. Marco Langbroek, who later published images provided to him that with very little doubt showed the second stage in a relatively stable orbit similar to the orbit that might be expected after a nominal launch.

Further complicating claims that the satellite failed to separate, Northrop Grumman had explicitly required that they be allowed to furnish the payload adapter for the Zuma mission, meaning that SpaceX was not responsible for connecting the satellite to the second stage, nor separating it after launch. In other words, if the satellite failed to separate, it would appear that SpaceX could not be easily blamed. However, regardless of these facts, SpaceX’s COO Gwynne Shotwell issued a thoroughly blunt and explicit statement earlier this morning, January 9. In no simple terms, she pegged rumors implicating SpaceX as the source of failure as “categorically false.” More importantly, she reiterated the simple facts that Falcon Heavy’s static fire and launch campaign were proceeding apace, and further stated that an upcoming launch of a communications satellite for SES and the Luxembourg government was also proceeding nominally for a launch around the end of January.

[Source: Chris G via Twitter]

Quite simply, if SpaceX’s hardware had suffered any form of anomaly, let alone issues serious enough to destroy a customer’s payload, all future launches would be immediately and indefinitely postponed, and all customers would be simultaneously notified of Falcon 9’s grounding. The last thing that a launch company would do in such an event is to allow a respected executive blatantly and publicly lie to the media about a long-time customer’s imminent launch date. For satellite communications companies like SES, delayed launches can cause major problems for shareholders and throw a multitude of wrenches into the fiscal gears, as delayed launches cost money on their own. They also delay the point at which any given satellite can begin to generate revenue.

A composite long exposure showing the launch, landing, and second stage burns during the Zuma mission. (Tom Cross/Teslarati)

But wait…

While current information almost unequivocally suggests that SpaceX is in the clear, there has yet to be any official confirmation that the Zuma satellite is in any way dead or has actually failed. This is par for the course of classified government launches, and Zuma’s launch campaign was even more secretive and eccentric than usual – we still have no idea what government agency or agencies are responsible for the mission. And the satellite’s manufacturer was explicitly provided only a few minutes before its launch. Any publication with experience dealing with military topics and news would explicitly understand that any ‘leaked’ information on highly classified topics is inherently untrustworthy and ought to be handled with the utmost rigor and skepticism.

In reality, the most we will ever likely know about these mysterious events will be provided in a handful of weeks by amateur satellite trackers: if they find a new object motionless in the expected orbit, leaks of Zuma’s abject failure will be largely corroborated. If nothing appears in that orbit once the satellite is expected to be visible, it can be reasonably assumed that Zuma reentered the atmosphere at some point, also hinting at a total failure. It can be said with some certainty that if Zuma failed to detach from Falcon 9’s second stage, SpaceX would delay its planned reentry indefinitely until all conceivable attempts to salvage the mission had been analyzed. Observations from pilots and people on the ground suggest without a doubt that the second stage reached a stable orbit, and once in that orbit, reentry could be delayed for weeks or months if the stage was not intentionally deorbited. Dr. Langbroek discusses these possibilities in greater detail in an article posted to his blog.

Ultimately, there are still numerous odd aspects surrounding the launch of Zuma that do not wholly mesh with publicly available information. For example, initial reports about the launch made it clear that the customer had explicitly contracted Zuma’s launch for no later or earlier than November 2017. This was delayed until January after SpaceX reportedly discovered issues with at least one Falcon 9 payload fairing, although the launch of Iridium-4 just over a month later was not delayed, and a replacement fairing was never spotted at Cape Canaveral (not that unusual). Why November 2017, and why delay the launch for nearly two months after that window was missed?

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Of note, anonymous comments on Reddit were also corroborated by Eric Berger of Ars Technica, suggesting that Elon Musk did actually tell SpaceX employees that the launch of Zuma was possibly the most expensive and/or important contract SpaceX had yet to win. This raises a huge number of questions, as the payload was clearly small enough for Falcon 9 to return to Landing Zone-1 for recovery. This caps the mass of Zuma at about that of SpaceX’s Cargo Dragon spacecraft, indeed a fairly hefty capsule at around 10,000 kg, but still far from a satisfying explanation of its apparent value. While it seems unlikely that Zuma alone cost $1 billion or more, as many outlets have been suggesting (assuming?), it might be more reasonable to assume that the potential value of Zuma comes from future missions it might act as a proof of concept for – a highly secretive defense-related satellite constellation, in other words. This, too, slips uncomfortably far into the realm of “crazy government conspiracy theories,” but other explanations are far not forthcoming.

Sadly, the secrecy surrounding Zuma means that the general public will almost certainly remain in the dark for the indefinite future, at least until some future administration chooses to declassify it. The question of whether Zuma failed and whether that failure can be attributed to Northrop Grumman, SpaceX, or some combination of the two will nevertheless be answered imminently by delays or the lack-thereof for SpaceX’s upcoming launch manifest of Falcon Heavy, GovSat-1/SES-16, and PAZ, all scheduled within the next four weeks, give or take.

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Eric Ralph is Teslarati's senior spaceflight reporter and has been covering the industry in some capacity for almost half a decade, largely spurred in 2016 by a trip to Mexico to watch Elon Musk reveal SpaceX's plans for Mars in person. Aside from spreading interest and excitement about spaceflight far and wide, his primary goal is to cover humanity's ongoing efforts to expand beyond Earth to the Moon, Mars, and elsewhere.

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What is Digital Optimus? The new Tesla and xAI project explained

At its core, Digital Optimus operates through a dual-process architecture inspired by human cognition.

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Credit: Grok

Tesla and xAI announced their groundbreaking joint project, Digital Optimus, also nicknamed “Macrohard” in a humorous jab at Microsoft, earlier this week.

This software-based AI agent is designed to automate complex office workflows by observing and replicating human interactions with computers. As the first major outcome of Tesla’s $2 billion investment in xAI, it represents a powerful fusion of hardware efficiency and advanced reasoning.

Tesla announces massive investment into xAI

At its core, Digital Optimus operates through a dual-process architecture inspired by human cognition.

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Tesla’s specialized AI acts as “System 1”—the fast, instinctive executor—processing the past five seconds of real-time computer screen video along with keyboard and mouse actions to perform immediate tasks.

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xAI’s Grok model serves as “System 2,” the strategic “master conductor” or navigator, providing high-level reasoning, world understanding, and directional oversight, much like an advanced turn-by-turn navigation system.

When combined, the two can create a powerful AI-based assistant that can complete everything from accounting work to HR tasks.

Will Tesla join the fold? Predicting a triple merger with SpaceX and xAI

The system runs primarily on Tesla’s low-cost AI4 inference chip, minimizing expensive Nvidia resources from xAI for competitive, real-time performance.

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Elon Musk described it as “the only real-time smart AI system” capable, in principle, of emulating the functions of entire companies, handling everything from accounting and HR to repetitive digital operations.

Timelines point to swift deployment. Announced just days ago, Musk expects Digital Optimus to be ready for user experience within about six months, targeting rollout around September 2026.

It will integrate into all AI4-equipped Tesla vehicles, enabling parked cars to handle office work during downtime. Millions of dedicated units are also planned for deployment at Supercharger stations, tapping into roughly 7 gigawatts of available power.

Digital Optimus directly supports Tesla’s broader autonomy strategy. It leverages the same end-to-end neural networks, computer vision, and real-time decision-making tech that power Full Self-Driving (FSD) software and the physical Optimus humanoid robot.

By repurposing idle vehicle compute and extending AI4 hardware beyond driving, the project scales Tesla’s autonomy ecosystem from roads to digital workspaces.

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As a virtual counterpart to physical Optimus, it divides labor: software agents manage screen-based tasks while humanoid robots tackle physical ones, accelerating Tesla’s vision of general-purpose AI for productivity, Robotaxi fleets, and beyond.

In essence, Digital Optimus bridges Tesla’s vehicle and robotics autonomy with enterprise-scale AI, promising massive efficiency gains. No other company currently matches its real-time capabilities on such accessible hardware.

It really could be one of the most crucial developments Tesla and xAI begin to integrate, as it could revolutionize how people work and travel.

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Tesla adds awesome new driving feature to Model Y

Tesla is rolling out a new “Comfort Braking” feature with Software Update 2026.8. The feature is exclusive to the new Model Y, and is currently unavailable for any other vehicle in the Tesla lineup.

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Credit: Tesla

Tesla is adding an awesome new driving feature to Model Y vehicles, effective on Juniper-updated models considered model year 2026 or newer.

Tesla is rolling out a new “Comfort Braking” feature with Software Update 2026.8. The feature is exclusive to the new Model Y, and is currently unavailable for any other vehicle in the Tesla lineup.

Tesla writes in the release notes for the feature:

“Your Tesla now provides a smoother feel as you come to a complete stop during routine braking.”

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Interestingly, we’re not too sure what catalyzed Tesla to try to improve braking smoothness, because it hasn’t seemed overly abrupt or rough from my perspective. Although the brake pedal in my Model Y is rarely used due to Regenerative Braking, it seems Tesla wanted to try to make the ride comfort even smoother for owners.

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There is always room for improvement, though, and it seems that there is a way to make braking smoother for passengers while the vehicle is coming to a stop.

This is far from the first time Tesla has attempted to improve its ride comfort through Over-the-Air updates, as it has rolled out updates to improve regenerative braking performance, handling while using Full Self-Driving, improvements to Steer-by-Wire to Cybertruck, and even recent releases that have combatted Active Road Noise.

Tesla set to activate long-awaited Cybertruck feature

Tesla holds a unique ability to change the functionality of its vehicles through software updates, which have come in handy for many things, including remedying certain recalls and shipping new features to the Full Self-Driving suite.

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Tesla seems to have the most seamless OTA processes, as many automakers have the ability to ship improvements through a simple software update.

We’re really excited to test the update, so when we get an opportunity to try out Comfort Braking when it makes it to our Model Y.

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Tesla finally brings a Robotaxi update that Android users will love

The breakdown of the software version shows that Tesla is actively developing an Android-compatible version of the Robotaxi app, and the company is developing Live Activities for Android.

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Credit: Grok

Tesla is finally bringing an update of its Robotaxi platform that Android users will love — mostly because it seems like they will finally be able to use the ride-hailing platform that the company has had active since last June.

Based on a decompile of software version 26.2.0 of the Robotaxi app, Tesla looks to be ready to roll out access to Android users.

According to the breakdown, performed by Tesla App Updates, the company is preparing to roll out an Android version of the app as it is developing several features for that operating system.

The breakdown of the software version shows that Tesla is actively developing an Android-compatible version of the Robotaxi app, and the company is developing Live Activities for Android:

“Strings like notification_channel_robotaxid_trip_name and android_native_alicorn_eta_text show exactly how Tesla plans to replicate the iOS Live Activities experience. Instead of standard push alerts, Android users are getting a persistent, dynamically updating notification channel.”

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This is a big step forward for several reasons. From a face-value perspective, Tesla is finally ready to offer Robotaxi to Android users.

The company has routinely prioritized Apple releases because there is a higher concentration of iPhone users in its ownership base. Additionally, the development process for Apple is simply less laborious.

Tesla is working to increase Android capabilities in its vehicles

Secondly, the Robotaxi rollout has been a typical example of “slowly then all at once.”

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Tesla initially released Robotaxi access to a handful of media members and influencers. Eventually, it was expanded to more users, so that anyone using an iOS device could download the app and hail a semi-autonomous ride in Austin or the Bay Area.

Opening up the user base to Android users may show that Tesla is preparing to allow even more users to utilize its Robotaxi platform, and although it seems to be a few months away from only offering fully autonomous rides to anyone with app access, the expansion of the user base to an entirely different user base definitely seems like its a step in the right direction.

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