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SpaceX's three surviving thrice-flown Block 5 boosters - B1048, B1049, and B1046 - are pictured here in various stages of recovery. (Teslarati, Pauline Acalin) SpaceX's three surviving thrice-flown Block 5 boosters - B1048, B1049, and B1046 - are pictured here in various stages of recovery. (Teslarati, Pauline Acalin)

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SpaceX’s flight-proven Falcon 9 snags NASA launch contract, second of 2019

Three of SpaceX's flight-proven Falcon 9 boosters are pictured here: B1046, B1048, and B1049. (Tom Cross & Pauline Acalin)

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NASA has announced that SpaceX’s Falcon 9 rocket – using a flight-proven booster – will launch the ~300 kg (670 lb) Imaging X-ray Polarimetry Explorer (IXPE) spacecraft no earlier than April 2021.

Intriguingly, IXPE was originally planned to launch on Orbital ATK (now Northrop Grumman’s) Pegasus XL but NASA never followed through with a launch contract. The move to SpaceX’s Falcon 9 rocket is likely related to the extremely disruptive and expensive launch delays NASA’s Ionospheric Connection Explorer (ICON) spacecraft has suffered at the hands of its Pegasus XL rocket. Capable of launching less than 450 kg (1000 lb) to low Earth orbit, Pegasus XL has been lucky to launch annually over the last decade or so and carries a price tag of no less than $50M-$60M today.

Small rocket, huge delays

Defying its small size, Pegasus XL was originally scheduled to launch ICON in December 2017. Delayed by unspecified problems with launch vehicle hardware, the mission was pushed back an inexplicable 10 months to October 2018, where additional issues with the rocket again indefinitely scrubbed a launch attempt. In early 2019, the launch was tentatively scheduled for Q2 2019, while – as of July – ICON is not expected to launch before September 2019.

All said and done, in the increasingly unlikely event that Pegasus XL is ready for launch this September, the ICON spacecraft – ready for launch since late-2017 – will have been delayed more than 21 months by problems with the rocket.

Built by Orbital ATK, Pegasus XL is a small rocket that carries a disproportionate price tag and a recent history of bad reliability. (NASA – Randy Beaudoin)

Again, for the small-scale performance of Pegasus XL, the rocket still carries a price tag of more than $50M – NASA’s ICON launch contract was valued at more than $56M. Conscious of this, SpaceX has managed to sway NASA to launch the small IXPE spacecraft on a flight-proven Falcon 9 at a cost of just $50.3 million, easily the lowest Falcon 9 launch contract cost ever publicized.

In recent months, SpaceX executives have made comments indicating that Falcon 9’s default base price – likely assuming a flight-proven booster – is now as low as $50M. July 8th’s NASA launch contract is the first direct confirmation of that exceptionally affordable pricing, likely also indicating that the base price for Falcon 9 is even lower for commercial customers with less stringent requirements.

New Falcon 9 booster B1045 rolls out to LC-40 ahead of SpaceX’s first dedicated NASA payload, the TESS exoplanet observatory. (SpaceX)

Barring an unexpected contract between now and IXPE’s expected April 2021 launch, the mission will probably be the first time that a dedicated flight-proven SpaceX rocket launches a scientific spacecraft for NASA. SpaceX’s next dedicated NASA launch – the ESA-built Sentinel 6A spacecraft – is scheduled to no earlier than November 2020 and is likely to fly on a new Falcon 9 booster.

In April 2019, NASA awarded SpaceX $69M for Falcon 9 to launch the agency’s Double Asteroid Redirect Test (DART) – an asteroid-impactor spacecraft – no earlier than June 2021. IXME is SpaceX’s second NASA launch contract win of 2019.

NASA’s IXPE spacecraft will be built by Ball Aerospace. (NASA)

According to NASA, “IXPE will fly three space telescopes with sensitive detectors capable of measuring the polarization of cosmic X-rays, allowing scientists to answer fundamental questions about these turbulent environments where gravitational, electric and magnetic fields are at their limits.”

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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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Elon Musk: Tesla Model Y is world’s best-selling car for 3rd year in a row

The Model Y has now established an impressive streak that would otherwise have been impossible before Tesla. 

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Credit: Grok Imagine

Elon Musk has announced that the Tesla Model Y has become the world’s best-selling car by volume for the third consecutive year, capping 2025 with another dominant performance. 

The Model Y has now established an impressive streak that would otherwise have been impossible before Tesla. 

Three years in a row

Musk posted on X: “Tesla Model Y is now officially the world’s best-selling car for the third year in a row!” The CEO’s comment echoed an update that Tesla included in its 2025 recap, which highlighted, among other things, the Model Y’s incredible streak. 

The Model Y has held the title since 2023, outperforming traditional leaders like the Toyota RAV4 and Corolla thanks to its bang-for-the-buck nature and its stellar combination of practicality, performance, and tech. The Model Y is also lauded as one of the safest vehicles on the road, making it an ideal choice for families in key markets such as China. 

An impressive 2025

The Model Y’s sales feat in 2025 is especially impressive considering the introduction of the vehicle’s new variant. Tesla’s changeover to the new Model Y across its global factories resulted in sales being paused for some time in the first quarter. As per Tesla’s Q1 2025 vehicle delivery and production report, “the changeover of Model Y lines across all four of our factories led to the loss of several weeks of production in Q1.” 

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This suggests that the Model Y’s sales remained strong in 2025 to the point where it could still claim the title of the world’s best-selling vehicle by volume, even with its sales being throttled during the first quarter of the year. It would then be interesting to see just how far the Model Y can go in 2026, especially considering the rollout of new variants like the six-seat extended wheelbase Model Y L, the affordable Model Y Standard, and the top-tier Model Y Performance. 

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Tesla shares epic 2025 recap video, confirms start of Cybercab production

The cinematic montage, posted by the official Tesla account on X, celebrated the company’s progress in EVs, energy, and Robotaxi development.

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Credit: Tesla

Tesla has released an epic year-in-review video for 2025, recapping some of its major achievements from refreshed models to autonomy breakthroughs and production ramps. 

The cinematic montage, posted by the official Tesla account on X, celebrated the company’s progress in EVs, energy, and Robotaxi development while looking ahead to an even bigger 2026.

Tesla’s 2025 highlights recap

Tesla has had a busy 2025, as highlighted in the recap video. The video opened with Elon Musk explaining the company’s pursuit of sustainable abundance. A number of milestones were then highlighted, such as the rollout of FSD v14, Optimus’ numerous demos, the opening of the Tesla Diner in Hollywood, LA, the completion of the world’s first autonomous car delivery, and the launch of the Robotaxi network in Austin and the San Francisco Bay Area.

Tesla also highlighted several of its accomplishments over the year. As per the company, the Model Y was the year’s best-selling vehicle globally again, and Teslas became more affordable than ever thanks to the Model 3 and Model Y Standard. Other key models were also rolled out, such as the refreshed Model S and X, as well as the new Model Y, the new Model Y Performance, and the six-seat, extended wheelbase Model Y L. 

The Megablock was also unveiled during the year, and the Supercharger Network grew by 18%. Over 1 million Powerwalls were also installed during the year, and the Cybertruck became the first EV truck to get both an IIHS Top Safety Pick+ award and an NHTSA 5-Star safety rating. 

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Cybercab production confirmed

Interestingly enough, Tesla also confirmed in its 2025 recap video that the production of the Cybercab has started. This bodes well for the vehicle, as it could result in the vehicle really being mass-produced in the first half of 2026. Elon Musk confirmed during the 2025 Annual Shareholder Meeting that Cybercab production should earnestly start around April 2026

Musk has also noted that the Cybercab will be Tesla’s highest-volume vehicle yet, with the company aiming for an annual production rate of about 2 million units. “If you’ve seen the design of the Cybercab line, it doesn’t look like a normal car manufacturing line,” Musk said earlier this year. “It looks like a really high-speed consumer electronics line. In fact, the line will move so fast that actually people can’t even get close to it.”

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Tesla Cybercab is changing the look of Austin’s roads, and it’s not even in production yet

Videos and photos showed the sleek, two-seat autonomous vehicles navigating traffic.

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Credit: @niccruzpatane/X

Even before entering production, Tesla’s Cybercab is already transforming the appearance of Austin’s streets, with multiple prototypes spotted testing in downtown areas recently. 

Videos and photos showed the sleek, two-seat autonomous vehicles navigating traffic. Interestingly enough, the vehicles were equipped with temporary steering wheels and human safety drivers.

Recent Cybercab sightings

Over the weekend, enthusiasts captured footage of two Cybercabs driving together in central Austin, their futuristic silhouettes standing out amid regular traffic. While the vehicles featured temporary steering wheels and side mirrors for now, they retained their futuristic, production-intent exterior design.

Industry watcher Sawyer Merritt shared one of the vehicles’ videos, noting the increasing frequency of the autonomous two-seater’s sightings.

Previewing the autonomous future

Sightings of the Cybercab have been ramping in several key areas across the United States in recent weeks. Sightings include units at Apple’s Visitor Center in California, the Fremont factory test track, and in Austin’s streets.

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The increased activity suggests that Tesla is in overdrive, validating the autonomous two-seater ahead of its planned volume production. Elon Musk confirmed at the 2025 Shareholder Meeting that manufacturing begins around April 2026 with ambitious targets, and during an All-Hands meeting earlier this year, Musk hinted that ultimately, Tesla’s factories should be able to produce one Cybercab every 10 seconds. 

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