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Interlune brings in more cash to get set for moon mining

Illustration: Interlune Harvester on the moon
An artist’s conception shows the Interlune Harvester on the lunar surface. (Interlune Illustration)

Seattle-based Interlune is raising additional investment to support its campaign to identify and extract resources on the moon that can be brought back to Earth, starting with helium-3.

The fundraising effort came to light in a document filed with the Securities and Exchange Commission this week. The $5 million offering takes the form of a Simple Agreement for Future Equity, or SAFE, a contractual arrangement in which investors have the right to receive equity in the company at a later time.

In its initial filing on Jan. 28, Interlune reported that $500,000 of the offering had been sold to a set of six investors. The filing didn’t identify the investors.

In an emailed statement, Interlune CEO Rob Meyerson said the SAFE funding would help support the company’s preparations for the lunar missions ahead.

“Interlune has elected to raise $5 million on a Simple Agreement for Future Equity from existing and new investors to advance key technical milestones ahead of its next priced round,” Meyerson said. “We have several significant projects in the works, which we’re excited to announce shortly.”

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Interlune sets up a moon mission to hunt for helium

Illustration: Astrolab rover on the moon
An artist’s conception shows Astrolab’s FLIP rover on the moon. (Astrolab Illustration)

Seattle-based Interlune says it’s struck a deal with California-based Astrolab to send a multispectral camera to the moon to estimate how much helium-3 is present in lunar soil.

Interlune’s camera will be one of the payloads aboard Astrolab’s FLEX Lunar Innovation Platform rover, or FLIP for short. The FLIP rover is scheduled to take a piggyback ride to the moon’s south polar region aboard Astrobotics’ Griffin lander as soon as late 2025.

The mission will mark Interlune’s first off-Earth step in its campaign to identify and extract helium-3 from the moon and return it to Earth. Helium-3 can be used for applications ranging from quantum computing to security screening to fusion energy production. But it’s rare on Earth: Interlune has pegged the commercial price of helium-3 at as much as $20 million per kilogram.

Interlune is betting that lunar helium-3, which is produced when charged particles from the sun hit moon dirt, will become a cheaper source — and a source of revenue for the startup. The multispectral camera that Interlune has developed in partnership with NASA’s Ames Research Center will be used to estimate helium-3 quantities and concentration around Griffin’s landing site, without having to bring samples back to Earth.

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Interlune makes progress on its plans to mine the moon

Illustration: Interlune Harvester on the moon
An artist’s conception shows the Interlune Harvester on the lunar surface. (Interlune Illustration)

Seattle-based Interlune provided a triple-barreled update today on its progress toward mining helium-3 on the moon and returning that resource to Earth.

The startup joined Vermeer Corp., an industrial equipment manufacturer headquartered in Iowa, to unveil a full-scale prototype of an excavator that’s designed to ingest 100 metric tons of moon dirt in an hour. After the helium-3 is extracted, the machine would drop the rest of the dirt back onto the lunar surface in a continuous motion.

Also today, Interlune announced separate agreements with the U.S. Department of Energy and Maybell Quantum Industries to start supplying lunar helium-3 by 2029.

Helium-3 is an isotope that’s much rarer than the helium-4 that you typically find in lighter-than-air balloons. Helium-3 has a wide range of high-tech applications in fields that include quantum computing, fusion power, medical imaging and weapons detection for national security purposes.

The substance is hard to find on Earth, but it’s more abundant on the moon due to bombardment by solar-wind particles. Interlune aims to take advantage of the potential market by extracting lunar helium-3 and shipping it back to Earth.

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Texas boosts Interlune’s work with simulated moon dirt

Illustration: Interlune robotic harvester on the moon
An artist’s conception shows Interlune’s robotic harvester on the moon. (Interlune Illustration)

Seattle-based Interlune has won a grant of up to $4.84 million from the Texas Space Commission to open a center of excellence at NASA’s Johnson Space Center focusing on simulated moon rocks and soil.

The center would be part of the Texas A&M University Space Institute, which is currently under construction on the grounds of the NASA center in Houston. Construction is due to be completed by September 2026.

Interlune was founded in 2020 with the aim of developing a system to harvest moon dirt, technically known as regolith, and extract resources for use on Earth. One of the key targets for extraction is helium-3, an isotope that can be used for applications ranging from quantum computing to fusion power. Helium-3 is much more abundant on the lunar surface than it is on Earth.

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Interlune tests system for processing moon soil

Maia Willebrand with Interlune hardware on parabolic airplane flight
Former Interlune intern Maia Willebrand helps test an early prototype of Interlune’s soil-processing hardware on a parabolic flight in February. Interlune funded the February flight, but a NASA grant will support future flights. (Zero Gravity Corp. Photo / Steve Boxall)

Seattle-based Interlune has received a $348,000 grant from NASA to test its system for processing lunar soil on a series of reduced-gravity airplane flights — marking one more small step toward harvesting helium-3 and other resources on the moon.

The project is one of 11 selected for funding through NASA’s TechFlights program, which supports space technology testing on suborbital rockets, rocket-powered landers or airplane-based platforms.

Interlune’s system is known as CRUMBLE — an acronym that stands for “Comminution of Regolith Using Milling for Beneficiation of Lunar Extract.” Basically, the system would break down lunar dirt and rock, or regolith, and make it easier to extract potentially valuable ingredients such as helium-3.

The TechFlights grant will fund parabolic flights provided by Zero Gravity Corp. to see which kinds of equipment would work best in the airless, reduced-gravity conditions present on the moon’s surface. Interlune would use simulated moon dirt to put prototypes for its CRUMBLE processor through their paces.

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Interlune lays out its plan to harvest helium-3 on the moon

Illustration: Interlune robotic harvester on the moon
An artist’s conception shows Interlune’s robotic harvester on the moon. (Interlune Illustration)

Seattle-based Interlune officially lifted the curtain today on its plans to build a robotic harvester that could extract helium-3 from moon dirt and send it back to Earth for applications ranging from quantum computing to fusion power.

Rob Meyerson, a co-founder of the startup and former president of Jeff Bezos’ Blue Origin space venture, told me that an initial prospecting mission could be launched as early as 2026, with commercial operations beginning in the 2030s.

“For the first time in history, harvesting natural resources from the moon is technologically and economically feasible,” Meyerson said today in a news release. “With our uniquely experienced and qualified team, Interlune is creating the core technologies to extract and process lunar resources responsibly to serve a wide range of customers.”

Today’s announcement confirmed previous reports that Interlune has raised $18 million in seed capital, including angel investments as well as more than $15 million in funding that was reported in a regulatory filing last month.

That funding round was led by Seven Seven Six, Reddit co-founder Alexis Ohanian’s venture firm, with participation by other investors including Aurelia Foundry Fund, Gaingels, Liquid 2 Ventures, Shasta Ventures and alumni from the University of Michigan (where Meyerson went to school).

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Interlune raises funds to go after the moon’s resources

Rob Meyerson
Space industry executive Rob Meyerson speaks at a 2016 conference. (ISPCS via YouTube)

A stealthy space venture co-founded by the former president of Jeff Bezos’ Blue Origin space venture says it’s raising funds to move ahead with its plan to harvest resources on the moon and bring them back for use on Earth.

Former Blue Origin executive Rob Meyerson is listed among the executive officers for Interlune in a financial form filed with the Securities and Exchange Commission on Feb. 1. The form reports that the startup is offering $17.7 million in equity, and that $15.6 million of that total was sold as of the filing date.

The SEC filing says 18 investors have taken part in the offering but does not identify those investors.

Interlune was founded in 2020, but details about the venture were shrouded in secrecy until last October — when another co-founder, Blue Origin engineer Gary Lai, discussed the company’s vision during an awards banquet at Seattle’s Museum of Flight.

“We aim to be the first company that harvests natural resources from the moon to use here on Earth,” Lai told the audience. “We’re building a completely novel approach to extract those resources, efficiently, cost-effectively and also responsibly. The goal is really to create a sustainable in-space economy.”

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Blue Origin’s chief architect lifts the veil on moon startup

Gary Lai at Museum of Flight
Blue Origin chief architect Gary Lai speaks at the Pathfinder Awards banquet at the Museum of Flight. (Photo by Ted Huetter / Museum of Flight)

Gary Lai’s resume features his status as chief architect and pioneer spaceflier at Jeff Bezos’ Blue Origin space venture — but when he received a Pathfinder Award this weekend at Seattle’s Museum of Flight, the veteran engineer highlighted a lesser-known job, as co-founder and chief technology officer of a moon-centric startup that’s still in stealth mode.

“We aim to be the first company that harvests natural resources from the moon to use here on Earth,” Lai told an audience of about 400 banquet-goers on Oct. 28. “We’re building a completely novel approach to extract those resources, efficiently, cost-effectively and also responsibly. The goal is really to create a sustainable in-space economy.”

The Tacoma, Wash.-based startup, called Interlune, has actually been around for about three years — but it’s been shrouded in secrecy long enough that Lai can still be considered a co-founder. Lai said the other founders include Rob Meyerson, who was Blue Origin’s president from 2003 to 2018; and Apollo 17 astronaut Harrison “Jack” Schmitt, a geologist who set foot on the moon in 1972 and served in the U.S. Senate from 1977 to 1983.

Lai noted that Interlune recently received a grant from the National Science Foundation. That $246,000 grant supports efforts to develop a system that could sort out moon dirt by particle size.

Neither Lai nor Meyerson, who was in the audience cheering him on, was willing to say much more about Interlune, due to the fact that the venture is still in stealth. But a filing with the Securities and Exchange Commission indicates that the venture raised $1.85 million in seed funding last year from five unnamed investors.

The SEC form also names longtime aerospace industry executive Indra Hornsby as an officer of the company, and lists Estes Park, Colo., as Interlune’s headquarters. However, Hornsby’s LinkedIn page says she’s currently an adviser and a former chief operating officer. Other documents indicate that Tacoma, Meyerson’s home base, has become Interlune’s HQ.

Lai said that he would continue to advise Blue Origin on a part-time basis, focusing on advanced concepts that include the Blue Moon lunar landing system. But going forward, Lai plans to give more attention to what humans will be doing on the moon after they land.

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