News
SpaceX Falcon 9 fires up ahead of second to last 2019 launch and landing
SpaceX has successfully static fired a Falcon 9’s booster engines ahead of its second to last launch and landing of 2019, on track to make December the company’s busiest month of the year.
About a month after successfully lofting 60 Starlink satellites and 11 days after sending Cargo Dragon on its way to the ISS for CRS-19, SpaceX has two more launch scheduled in 2019: Kacific-1 no earlier than (NET) December 16th and Starlink-2 NET December 30th.
For SpaceX, the turn of the decade will mark the end of an historic year – let alone decade – of milestones for the intrepid commercial space company, including achievements like’s Crew Dragon flawless orbital launch debut, the fourth flight of a refurbished Falcon 9 booster, the first-ever reuse of a flight-proven payload fairing, and a duo of spectacular Starhopper flight tests to name just a few.
First up, SpaceX will fly twice-flown Falcon 9 booster B1056.3 for the third time. B1056.3 previously supported CRS-17 and CRS-18, back to back Cargo Dragon space station resupply missions for NASA. Currently targeting a Monday, December 16th launch, SpaceX is set to place the jointly-owned JCSAT-18/Kacific-1 broadband communication satellite for Japan’s Sky Perfect JSAT Corp. and Singapore’s self-proclaimed “next-generation broadband satellite operator”, Kacific Broadband Satellites.
According to a Kacific, after deploying from Falcon 9 and circularizing into a geostationary orbit some 22,000 miles (36,000km) over the Asia-Pacific region, the JCSAT-18/Kaficic-1 satellite “will stream broadband to 25 nations in South East Asia and the Pacific Islands via 56 spot beams.” All told, the satellite will offer a maximum bandwidth of 70 gigabits per second (Gbps) with each spot beam serving up to 1.25 Gbps.
Kacific was founded in 2013 by CEO Christian Patouraux to provide desperately needed communication services to the Asia Pacific region, “where high prices and unsuitable technology were prohibiting access.” Kacific looks to “provide high speed, affordable and accessible internet to extra-urban, rural, and remote users” with Kacific-1, the company’s first (partially) dedicated satellite.
Ahead of Monday’s launch attempt, the JCSAT-18/Kacific-1 satellite was fully encapsulated inside Falcon 9’s payload fairing, both halves of which SpaceX will try to catch with recovery vessels GO Ms. Tree and GO Ms. Chief in what will be the company’s first simultaneous catch attempt ever. Meanwhile, B1056 has its own recovery attempt penciled in and drone ship Of Course I Still Love You (OCISLY) departed Port Canaveral on December 12th, headed ~650 km (400 mi) downrange. OCISLY arrived at its recovery zone earlier today, as did Ms. Tree and Ms. Chief, now stationed about 140 km (90 mi) further East.
As per usual, Falcon 9 B1056.3 and its expendable upper stage performed a wet dress rehearsal (WDR) and static fire, identical to launch operations minus the rocket actually lifting off. The Kacific-1 mission’s December 16th launch trajectory allows for an 88-minute window from 7:10 pm – 8:38 pm EST (0010-0138 UTC, December 17) and weather forecasts are currently 90% go.
As mentioned, twin fairing recovery vessels GO Ms. Tree and GO Ms. Chief departed Port Canaveral on December 13th in a bid to attempt their first simultaneous Falcon fairing recovery, meaning that each ship will attempt to catch one parasailing fairing half. This mission is technically the second time both ships have port left together for a recovery, but their first whole-airing catch attempt was called off before it could start due to rough seas and high winds in the Atlantic Ocean. Prior to being rechristened Ms. Tree, Mr. Steven suffered severe damage during a planned February 2019 catch attempt, losing its net and two of four arms after the ship was caught in high seas.
Following Kacific-1, SpaceX’s final launch of 2019 – barring delays – will likely be the company’s second dedicated Starlink v1.0 mission, a 60-satellite payload that will almost certainly make SpaceX the world’s largest commercial satellite operator. Starlink-2 is scheduled to launch NET December 30th.
SpaceX will stream Falcon 9’s Kacific-1 launch and landing and the webcast will kick off some 15 minutes before liftoff, NET 6:55 pm ET (23:55 UTC), December 16th.
Check out Teslarati’s newsletters for prompt updates, on-the-ground perspectives, and unique glimpses of SpaceX’s rocket launch and recovery processes.
Elon Musk
Elon Musk reveals shocking Tesla Optimus patent detail
What looked promising on paper and in simulations failed to deliver the reliability required for a robot expected to handle delicate tasks like folding laundry, assembling electronics, or assisting in factories and homes.
Elon Musk revealed a shocking detail on the Tesla Optimus patent that was revealed last week. Despite it being made public for the first time, Musk said the company has already moved on from the design, an incredible truth about the development of new technology: things move fast.
Musk dropped a bombshell about the Tesla Optimus humanoid robot hand patent that was released last week. Musk, candidly replying to a post late at night on X, revealed that what is a new technology to many fans and insiders is actually old news to those developing the tech directly.
“We already changed the design,” Musk said. “This one didn’t actually work.”
We already changed the design. This one didn’t actually work.
— Elon Musk (@elonmusk) April 19, 2026
Patents, after all, are often viewed as blueprints for future products. Yet Musk revealed that the rolling contact mechanism—intended to provide smooth, low-friction articulation in the fingers—had already been scrapped after real-world testing exposed its shortcomings.
What looked promising on paper and in simulations failed to deliver the reliability required for a robot expected to handle delicate tasks like folding laundry, assembling electronics, or assisting in factories and homes.
The hand has been one of the biggest challenges for Tesla engineers since Optimus development started years ago. Musk has said that there is not enough recognition for how incredible and useful the human hand is, and designing one for a humanoid robot has been the biggest challenge of all.
Tesla is stumped on how to engineer this Optimus part, but they’re close
This moment underscores the persistent engineering hurdles in achieving reliable humanoid hand dexterity. Human fingers are marvels of evolution: 27 bones, intricate tendons, ligaments, and a network of sensors working in perfect harmony. Replicating that in metal and silicon is extraordinarily difficult.
Rolling contacts promised reduced wear and precise motion, but testing likely revealed issues with durability under repeated stress, grip stability on varied surfaces, or the micro-precision needed for fine motor skills.
These aren’t minor tweaks, but instead they represent fundamental challenges that have plagued robotics teams for decades. Even advanced competitors struggle here—hands remain the Achilles’ heel of most humanoids because the margin for error is razor-thin.
A fraction of a millimeter off, and a robot drops a glass or fails to button a shirt.
What makes Musk’s reply remarkable is how it signals Tesla’s direct communication style on prototype limitations. While many companies guard failures behind glossy marketing and vague timelines, Tesla openly shares setbacks.
Musk was forthcoming about the failure of this recent design. This transparency builds trust with investors, engineers, and fans. It shows Tesla treats Optimus development like true science: rapid iteration, rigorous testing, and zero tolerance for hype that doesn’t match reality.
The disclosure from Musk also highlights Tesla’s blistering pace of development. By the time the patents are published, which is often over a year after the initial filing, the technology has already evolved.
Optimus is far from a static product, and it’s a living project advancing weekly.
In the high-stakes race for general-purpose robots, Tesla’s approach stands out. Admitting a finger-joint design “didn’t actually work” isn’t a weakness—it’s confidence.
True innovation demands confronting failure head-on, and Musk just reminded the world that Optimus is being engineered that way. The next version of those hands is already in testing, and it will be better because Tesla isn’t afraid to say what didn’t work.
Elon Musk
Tesla is sending its humanoid Optimus robot to the Boston Marathon
Tesla’s Optimus robot is heading to the Boston Marathon finish line
Tesla’s Optimus humanoid robot will be stationed at the Tesla showroom at 888 Boylston Street in Boston, right along the final stretch of the Boston Marathon today, ready to cheer on runners and pose for photos with spectators.
According to a Tesla email shared by content creator Sawyer Merritt on X, Optimus will be at the Boston Boylston Street showroom on April 20, coinciding with Marathon Monday weekend. The Boston Marathon finishes on Boylston Street, and the surrounding area draws hundreds of thousands of spectators along with international broadcast coverage. Placing Optimus there puts it in front of a massive public audience at zero advertising cost.
Just got this email. @Tesla’s Optimus robot is coming to Boston.
“Join us from April 19 to 20, 2026, at Tesla Boston Boylston Street showroom to meet Optimus, our humanoid robot, for Marathon Monday. Optimus will be cheering with you on the sidelines and posing for photos.” pic.twitter.com/chxoooO2xV
— Sawyer Merritt (@SawyerMerritt) April 18, 2026
The Tesla showroom is at 888 Boylston Street, between Gloucester Street and Fairfield Street. The final mile of the marathon runs directly along Boylston Street, with runners passing the big stores before reaching the finish line at Copley Square.
Optimus was first announced at Tesla’s AI Day event on August 19, 2021, when Elon Musk presented a vision for a general-purpose robot designed to take on dangerous, repetitive, and unwanted tasks. In March 2026, Optimus appeared at the Appliance and Electronics World Expo in Shanghai, where on-site staff stated that mass production of the robot could begin by the end of 2026. Before that, it showed up at the Tesla Hollywood Diner opening in July 2025 and at a Miami showroom event in December 2025.
Tesla’s well-calculated display of Optimus gives the public a low-pressure first encounter with a robot that Tesla is preparing to soon deploy at scale. The company has previously indicated plans to manufacture Optimus robots at its Fremont facility at up to 1 million units annually, with an Optimus production line at Gigafactory Texas targeting 10 million units per year.
Tesla showcases Optimus humanoid robot at AWE 2026 in Shanghai
Musk has said that Optimus “has the potential to be more significant than the vehicle business over time,” and separately that roughly 80 percent of Tesla’s future value will come from the robot program. Whether that holds depends on production execution. For now, Boston gets a preview of what that future looks like, standing at the finish line on Boylston Street while 32,000 runners pass by.
News
Tesla expands Unsupervised Robotaxi service to two new cities
This expansion builds directly on Tesla’s existing operations. Robotaxi has been ramping unsupervised rides in Austin for months and maintains activity in the San Francisco Bay Area.
Tesla has taken a major step forward in its autonomous ride-hailing ambitions.
On April 18, the company’s official Robotaxi account announced that Robotaxi service is now rolling out in Dallas and Houston, Texas. The update signals the rapid scaling of unsupervised autonomous operations in the Lone Star State.
The announcement includes a compelling 14-second video captured from inside a Model Y. Shot from the passenger perspective, the footage shows the vehicle navigating suburban roads in both cities with zero driver intervention, with no Safety Monitor to be seen.
Robotaxi now rolling out in Dallas & Houston 🤠 pic.twitter.com/G3KFQwqGxB
— Tesla Robotaxi (@robotaxi) April 18, 2026
Tesla also shared geofence maps highlighting the initial service areas: a compact zone in Houston covering parts of Willowbrook and Jersey Village, and a similarly defined area in Dallas near Highland Park and central neighborhoods.
🚨 Tesla has expanded Robotaxi to two new cities: Houston and Dallas, joining Austin and the SF Bay Area as active Robotaxi areas https://t.co/S3Ck4EaGpR pic.twitter.com/N0qu0bcTyd
— TESLARATI (@Teslarati) April 18, 2026
This expansion builds directly on Tesla’s existing operations. Robotaxi has been ramping unsupervised rides in Austin for months and maintains activity in the San Francisco Bay Area.
With Dallas and Houston now live, Texas hosts three active hubs—an impressive concentration that triples the company’s Lone Star footprint in just weeks. The move aligns with Tesla’s Q4 2025 earnings guidance, which outlined a broader H1 2026 rollout across seven U.S. cities, including Phoenix, Miami, Orlando, Tampa, and Las Vegas.
Texas offers favorable regulations, high ride-share demand, and relatively straightforward suburban-to-urban driving patterns ideal for early autonomous scaling. While initial geofences appear modest—roughly 25 square miles per city—Tesla has historically expanded these zones quickly as it gathers real-world data.
Tesla confirms Robotaxi expansion plans with new cities and aggressive timeline
Unsupervised operation marks a critical milestone: passengers can summon, ride, and exit without safety drivers, a leap beyond many competitors still requiring human oversight.
For Tesla, the implications are significant. Successful scaling in major metros could accelerate the transition to a fully driverless fleet, unlocking new revenue streams and validating years of Full Self-Driving investment.
Riders gain convenient, potentially lower-cost mobility, while the company edges closer to Elon Musk’s vision of Robotaxis transforming urban transport.
As Tesla pushes into more cities this year, today’s launch in Dallas and Houston underscores its momentum. Hopefully, Tesla will be able to expand unsupervised rides to another U.S. state soon, which will mark yet another chapter in this short-but-encouraging Robotaxi story.
Elon Musk reveals shocking Tesla Optimus patent detail
Tesla is sending its humanoid Optimus robot to the Boston Marathon
