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(Update: Sunday) SpaceX’s high-altitude Starship launch debut slips to Monday

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Update #2: Per new Temporary Flight Restrictions, there’s now a chance that SpaceX has rescheduled Starship’s (now slightly less) high-altitude launch debut on Sunday afternoon, December 6th.

As always with experimental testing, uncertainty remains. Stay tuned for updates as we close in on Starship SN8’s 12.5-kilometer (~7.8 mi) launch debut.

Update: SpaceX’s high-altitude Starship launch debut appears to have slipped to no earlier than (NET) Monday morning, December 7th, and been reduced from 15 km to 12.5 km.

FAA-approved flight restrictions filed on December 2nd were retracted on December 3rd for unknown reasons, ultimately giving SpaceX several more days to prepare Starship SN8 for an ambitious high-altitude launch, coast, freefall, and landing attempt.

Meanwhile, SpaceX has also lowered Starship SN8’s apogee target to 12.5 km (7.8 mi) from 15 km, itself a reduction from 20 km made earlier this year. Why is entirely unclear but it’s likely that the company is in active discussion (and probably arguments) with the FAA, perhaps requiring a compromise to ensure regulatory approval.

It remains to be seen if SpaceX will perform any additional testing over the weekend or if the company will attempt to schedule Starship SN8’s launch debut on Saturday or Sunday. Stay tuned for updates and Elon Musk’s promised SpaceX webcast.

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A panorama of SpaceX’s two suborbital pads, its orbital launch mount (behind the tent at left), and Starship SN8. (Richard Angle)

SpaceX has received FAA approval to attempt Starship’s high-altitude launch debut as early as Friday according to a Temporary Flight Restriction (TFR) filed on December 2nd.

SpaceX’s first high-altitude Starship TFR revealed that the crucial flight test is now scheduled sometime between 8 am and 5 pm CST (14:00-23:00 UTC) on Friday, December 4th, with identical backup windows available (and cleared with the FAA) on Saturday and Sunday. Originally scheduled as early as November 30th, the delays are less than surprising given the complexity and unprecedented nature of the flight test facing SpaceX.

Starship serial/ship number 8 (SN8) – the first functional full-height prototype – is tasked with launching from Boca Chica, Texas to an apogee of 15 kilometers (~9.5 miles) and dropping back to Earth to test an unproven approach to rocket recovery.

Often referred to as a bellyflop or skydiver-style attitude, Starship SN8 will attempt to freefall belly-down back to earth, using four large flaps to maintain a stable approach much like skydivers use their arms and legs to control heading and speed. When landing on planets or moons with relatively thick atmospheres, a controlled freefall could save Starship a huge amount of structural mass (no need for wings or actual airfoils) and propellant – a major benefit for what aims to be the largest reusable orbital spacecraft ever built.

Starship SN8 is pictured beside Starhopper on November 3rd. (NASASpaceflight – bocachicagal)
Three Raptors are installed within Starship SN8’s enclosed skirt section. (Elon Musk)

Powered by three Raptor engines capable of producing up to 600 metric tons (1.3 million lbf) of thrust at full throttle, SN8’s launch debut will mark Starship’s first multiengine flight – a major milestone for any rocket prototype. SpaceX CEO Elon Musk also recently noted that Starship SN8’s propellant tanks will only be “slightly filled” for its 15 km launch debut, potentially resulting in an extremely healthy thrust to weight ratio at liftoff.

Based on several unofficial estimates, Starship SN8 is also likely to break the sound barrier on ascent, potentially putting the prototype through conditions similar to what an actual orbital launch might see at Max Q (the point of maximum aerodynamic pressure). Further adding to the daunting list of ‘firsts’, SN8’s 15 km debut will be the first Starship hop or flight with a nosecone, making it the first full-scale structural test of a nose section and the methods used to attach it to Starship’s tank section. It’s hard to exaggerate the number of things that could go wrong and the number of ways Starship SN8 could fail during its first flight.

In the interim, SpaceX has taken Starship’s launch delay as an opportunity to perform some kind of additional testing on the evening of December 2nd, involving some kind of cryogenic proof test (using liquid nitrogen) or wet dress rehearsal (WDR; using real liquid methane and oxygen). While there were initial signs that SpaceX would put SN8 through one or several more Raptor static fires before clearing the rocket for flight, it appears that those plans were cancelled earlier this week.

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Less testing amplifies the risk that Starship SN8 will fail after liftoff, the probability of which Musk has pegged at ~67%. Regardless, SN8’s launch debut is bound to be spectacular and Starships SN9 and SN10 are nearly ready to take over wherever SN8 leaves off.

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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Investor's Corner

Tesla stock tumbles after earnings, one of its sharpest single-day declines

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Credit: Tesla

Tesla stock (NASDAQ: TSLA) endured one of its sharpest single-day declines in years on July 23, tumbling approximately 14.5 percent and closing near $320 after opening the session around $374. The drop erased more than $140 billion in market value amid heavy trading volume and left the shares at multi-week lows.

The sell-off followed the company’s second-quarter 2026 results, released the previous evening. Tesla reported record revenue of $28.2 billion, up 26 percent year over year, driven by a Q2-record 480,126 vehicle deliveries. Energy storage deployments also rose strongly.

Tesla (TSLA) Q2 2026 earnings results: miss on EPS, beat on revenue

Yet profitability disappointed sharply. Operating income fell 57 percent to $398 million, compressing the operating margin to just 1.4 percent. Non-GAAP earnings per share came in at $0.33, well below the roughly $0.53 analysts had expected. Free cash flow turned negative by $1.1 billion as capital expenditures surged 142 percent to $5.8 billion, largely tied to accelerated spending on artificial intelligence, robotics, and autonomous systems.

The losses on capex were expected, as Tesla said it would be spending heavily in 2026.

Investors also reacted to lingering uncertainty surrounding key product timelines. During the Earnings Call, management reiterated ambitions for Robotaxi deployment and the Optimus humanoid robot, but offered limited new concrete milestones, renewing questions about execution pace that have long accompanied Tesla’s ambitious roadmap.

The magnitude of the decline places it among Tesla’s more severe one-day percentage losses since its 2010 initial public offering. Historically, the two largest single-day drops (split-adjusted) remain September 8, 2020, when shares fell 21.1 percent amid broader market volatility and valuation concerns, and January 13, 2012, with a 19.3 percent plunge during the company’s early growth struggles.

Other notable declines include an 18.6 percent drop on March 16, 2020, at the onset of pandemic-related market turmoil. Thursday’s move ranks roughly ninth on the all-time list but stands out as the steepest in more than a year.

Despite the short-term pain, Tesla’s long-term trajectory has repeatedly recovered from such volatility. The latest results underscore both the strength of its core automotive and energy businesses and the near-term costs of heavy investment in next-generation technologies.

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Elon Musk

Elon Musk is not happy about this Tesla Full Self-Driving approval delay

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Credit: Tesla

Elon Musk clapped back at France’s decision to withhold the approval for Tesla’s Full Self-Driving (FSD) Supervised system, projecting a clear and blunt message to French Transport Minister Phillippe Tabarot, after he publicly rejected the technology in its current form.

Tabarot outlines several concerns with Tesla Full Self-Driving in a detailed video statement, where he said, “The safety trade-offs are not yet sufficient to authorize it as it currently stands,” he said. He emphasized that FSD is not a true self-driving system and that the driver remains fully responsible.

Key issues Tabarot also brought up included allowing speeding when surrounding traffic exceeds limits and what he believes are insufficient guarantees of driver attention during complex urban maneuvers such as lane changes, intersections, and roundabouts.

While acknowledging technological progress and France’s support for autonomous innovation, Tabarot stressed that deployment must prioritize road safety. He noted ongoing technical discussions with Tesla, the Netherlands, and other European partners, with further ecosystem meetings planned for the fall.

Musk’s rebuke highlights the human cost of regulatory caution. Tesla’s latest safety reports provide compelling data supporting accelerated adoption. In the most recent 12-month period, vehicles using FSD (Supervised) recorded one major collision per approximately 5.1 million miles driven, dramatically better than the U.S. national average of one crash per 698,000 miles.

Even Tesla vehicles driven manually with active safety features outperform the average by a wide margin. These figures come from billions of real-world miles of telemetry, showing FSD vehicles involved in far fewer incidents than both manual Teslas and the broader U.S. fleet.

Critics argue Tesla’s comparisons require careful scrutiny regarding reporting thresholds and fleet demographics, yet the data consistently positions FSD as a potential lifesaver. With road fatalities remaining a leading cause of death worldwide, Musk contends that proven safer technology should not face prolonged bureaucratic hurdles.

France’s measured approach reflects the broader European regulatory caution, which many, especially Musk, have been critical of in the past. However, as autonomous systems from Tesla and competitors like Waymo demonstrate superior safety in independent studies, pressure is mounting for harmonized approvals.

Musk’s warning carries the belief that every month of delay may equate to avoidable tragedies on European roads.

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Investor's Corner

Google’s massive stake in SpaceX will shock you

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Credit: SpaceX

In a striking revelation that underscores the lucrative crossover between Big Tech and space exploration, Alphabet Inc., Google’s parent company, disclosed a massive $94.1 billion equity stake in SpaceX following the rocket company’s blockbuster initial public offering earlier this year.

The disclosure came in Alphabet’s quarterly filing, marking the first time the long-held private investment has been publicly valued at market prices. Google was an early backer, investing alongside Fidelity in 2015 with roughly $500-900 million at a time when SpaceX was valued around $12 billion.

That bet has delivered extraordinary returns, roughly a hundredfold, transforming a strategic play on satellite internet and launch capabilities into one of Alphabet’s largest assets.

Of the total holding, approximately $80 billion remains subject to short-term post-IPO lockup restrictions, preventing near-term sales. An additional $14.1 billion faces longer-term restrictions, extending into the third quarter of 2027. This structure limits immediate liquidity but protects against market volatility as SpaceX transitions into public trading.

The SpaceX position contributed significantly to gains in Alphabet’s broader investment portfolio, which also includes a major stake in AI leader Anthropic. Combined, these holdings helped drive nearly $100 billion in investment gains during the second quarter, providing a substantial boost to net income amid ongoing AI spending pressures.

Elon Musk sends first warning to SpaceX short sellers

Analysts view the disclosure as validation of Alphabet’s venture strategy beyond its core search and cloud businesses. The investment aligns with deeper ties, including reported multi-billion-dollar deals for AI computing capacity on SpaceX infrastructure. As SpaceX advances Starship flights, Starlink expansion, and ambitious Mars goals under Elon Musk, Google’s stake positions it to benefit from the commercialization of space.

For Alphabet, the windfall highlights how patient, forward-looking bets in transformative sectors can yield outsized rewards. While lockups temper short-term impact, the holding cements SpaceX as a cornerstone of Alphabet’s diversified portfolio in an era where aerospace, AI, and connectivity increasingly intersect. Investors will watch closely as restrictions lift and SpaceX’s public performance unfolds.

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