Lunar oxygen extraction and in-situ resource utilization in 2026: overview
Lunar oxygen extraction and in-situ resource utilization turn lunar soil, rock or ice into resources needed for surface operations. Oxygen can support crew life support and, with a suitable fuel, propellant production; water and processed regolith can also serve local needs. Producing supplies at the Moon could reduce reliance on material launched from Earth, but systems must work with abrasive, variable feedstock and limited power.
Recent work is moving from reaction chemistry toward integrated processing and handling. In March 2026, a NASA test used concentrated sunlight on simulated lunar material to produce oxygen and carbon monoxide. In September 2026, researchers associated with the European Space Agency examined fluorine-plasma processing of regolith simulants, while an August study from the Chinese Academy of Sciences compared hydrogen-reduction kinetics in fixed- and fluidized-bed reactors. Feedstock preparation and reactor performance remain central engineering questions.
- 1Research leads activity: Publications rose 28.6% in the last year while patents fell 57.1%, pointing to active technical investigation ahead of broad patent expansion.
- 2Processing is the bottleneck: Recent studies on particle classification, excavation and powder flow show that getting consistent regolith into a reactor is as important as the extraction chemistry.
- 3Resources serve multiple needs: Oxygen production is linked to water recovery, propellant production and construction, so practical systems may need to combine extraction with downstream processing.
Top organizations working on lunar oxygen extraction and in-situ resource utilization
Ranked by Linknovate activity score · last 24 monthsThe activity score adds up the relevance of every patent, publication, grant and news item linking an organization to lunar oxygen extraction and in-situ resource utilization. Showing 7 of 216 organizations.
| # | Organization | Approach | Signals (24 mo) | Momentum | Why it matters |
|---|---|---|---|---|---|
| 1 |
NASA
Research · United Kingdom |
Molten regolith electrolysis | PUB 6 · NEWS 300 | -19% | Recently, NASA issued a call for proposals targeting technologies needed for a sustained lunar presence, including capabilities relevant to lunar resource use. Its research also includes testing molten regolith electrolysis. |
| 2 |
European Space Agency
Research · France |
General | PUB 20 · NEWS 75 | -42% | Recently, research associated with ESA examined fluorine-plasma processing of lunar regolith simulants for in-situ resource production. ESA also supports work on regolith sintering and additive manufacturing. |
| 3 |
Chinese Academy of Sciences CAS
Research · China |
Hydrogen reduction | PUB 28 | +33% | Recently, researchers compared the kinetics of hydrogen reduction of lunar regolith simulants in fixed- and fluidized-bed reactors. The academy also supports work on lunar soil simulants for ISRU testing. |
| 4 |
Polytechnic University of Milan
Research · Italy |
Carbothermal reduction | PUB 17 · GRANTS 1 NEWS 2 |
-33% | The university has tested a low-temperature carbothermal process for producing oxygen from lunar regolith and studies regolith simulants and processing methods for lunar ISRU. |
| 5 |
University of Chinese Academy of Sciences
Research · China |
General | PUB 21 | -50% | The university contributes to lunar ISRU research through work on regolith simulants and oxygen-production technologies, including studies of deployable solar-concentrator systems for lunar resource processing. |
| 6 |
TU Berlin
Research · Germany |
General | PUB 13 | -70% | TU Berlin researchers develop and characterize lunar regolith simulants and study particle classification and laser processing, supporting preparation of material for lunar ISRU. |
| 7 |
Huazhong University of Science and Technology
Research · China |
Regolith-based construction | PUB 11 · NEWS 2 | -14% | Researchers study lunar-regolith sintering and additive manufacturing for construction, including the mechanical properties of bricks made from sintered regolith simulants. |
| 8 | ··Hidden organizationCompany | Approach | PAT 00 · PUB 00 GRANTS 0 · NEWS 00 | +00% | Available to registered users. |
| 9 | ··Hidden organizationCompany | Approach | PAT 00 · PUB 00 GRANTS 0 · NEWS 00 | +00% | Available to registered users. |
| 10 | ··Hidden organizationCompany | Approach | PAT 00 · PUB 00 GRANTS 0 · NEWS 00 | +00% | Available to registered users. |
Leading research centers
Leading research institutions 190 total
NASAUnited KingdomRecently, NASA issued a call for proposals targeting technologies needed for a sustained lunar presence, including capabilities relevant to lunar resource use. Its research also includes testing molten regolith electrolysis.
European Space AgencyFranceRecently, research associated with ESA examined fluorine-plasma processing of lunar regolith simulants for in-situ resource production. ESA also supports work on regolith sintering and additive manufacturing.
Chinese Academy of Sciences CASChinaRecently, researchers compared the kinetics of hydrogen reduction of lunar regolith simulants in fixed- and fluidized-bed reactors. The academy also supports work on lunar soil simulants for ISRU testing.- ··Hidden research institutionCountryAvailable to registered users, with their key researchers.
- ··Hidden research institutionCountryAvailable to registered users, with their key researchers.
Where lunar oxygen extraction and in-situ resource utilization innovation happens
Share of documents with at least one organization from each country.
Open the interactive map with all 216 organizationsMain technical approaches
Last 24 months| Approach | What it is | Documents | Leading organizations |
|---|---|---|---|
| Polar ice recovery | Recovers water ice from cold lunar regions for water and oxygen production, but depends on finding and handling deposits in difficult thermal conditions. | 52 |
NASA, Polytechnic University of Milan, Imperial College London |
| Hydrogen reduction | Uses hydrogen to react with oxygen-bearing minerals, but requires a reliable supply and recovery loop for the reducing gas. | 38 |
Chinese Academy of Sciences CAS, University of Chinese Academy of Sciences, Central South University |
| Carbothermal reduction | Uses carbon and heat to extract oxygen from regolith, but requires careful management of reaction gases and high-temperature processing. | 37 |
Polytechnic University of Milan, NASA, Imperial College London |
| Molten regolith electrolysis | Electrolyzes molten regolith to separate oxygen and metals, but demands high temperatures and durable electrodes and containment materials. | 26 |
Colorado School of Mines, Lunar Resources, NASA |
| Thermal volatile extraction | Heats regolith to release volatile substances for capture, but energy use and reliable vapor collection are major constraints. | 27 |
NASA, Sierra Space, French National Center for Scientific Research |
| Regolith-based construction | Processes local soil into building materials, reducing imported construction mass but requiring robust equipment and material performance in lunar conditions. | 153 |
NASA, European Space Agency, Polytechnic University of Milan |
Emerging trends
Last 12 months vs previous 36 monthsTerms whose frequency in the last 12 months grew the most compared with the previous 36 months.
Funding and investment
Recent funding rounds
The field has received $9,242,875 across 11 recorded grants since 2020.
Patent landscape
Top patent holders · last 24 monthsRecent developments
Latest news, duplicates removed- Sep 2026NASA has announced a call for proposals to develop the lunar technologies needed to support exploration and establish a long-term human presence at the Moon’s South Pole. The agency is targeting major gaps in power…Innovation News Network
- Sep 2026From radiation-resistant solar cells to heat-storing regolith and locally produced electrical conductors, material choices could determine how future lunar bases generate, store and distribute power. Paper: Lunar…AZoM.com - Materials and Engineering News Feed
- Sep 2026Theoretical valuations place billions of dollars of resources inside some asteroids, but turning those distant materials into usable supplies will require solving engineering challenges that begin much closer to Earth.…AZoM.com - Materials and Engineering News Feed
- Aug 2026Scientists from the United States and Brazil are exploring how beneficial fungi could turn Martian and lunar regolith into fertile growing media You’re on the fourth human mission to Mars, and you’ve been tasked with…SciTechDaily
- Month 20XXHidden developmentAvailable to registered users with alerts enabled.
Frequently asked questions about lunar oxygen extraction and in-situ resource utilization
What companies and organizations are working on lunar oxygen extraction and ISRU?
NASA, the European Space Agency and Honeybee Robotics Ltd. are among the named organizations active in lunar ISRU. NASA research includes molten regolith electrolysis, while ESA-associated work includes plasma processing and regolith manufacturing. Honeybee Robotics develops excavation and volatile-prospecting systems. The data records 26 companies and 1 startup, but does not identify a startup name.
Which universities and research centers lead lunar ISRU research?
NASA leads the recorded activity, followed by the European Space Agency and the Chinese Academy of Sciences. Recent work includes ESA-associated fluorine-plasma processing, a Chinese Academy of Sciences study of hydrogen-reduction kinetics, and carbothermal reduction research at Polytechnic University of Milan. These groups work across extraction chemistry, simulants and the processing systems needed to handle lunar material.
How much funding has lunar oxygen extraction and ISRU received?
Recorded grants total $9,242,875 across 11 grants since 2020. The funding data also lists 12 rounds totaling $1,037,266,921, but the individual entries are not all clearly tied to lunar ISRU. The grant total is therefore the more directly relevant field funding figure in the available data.
Who holds the most lunar oxygen extraction and ISRU patents?
Honeybee Robotics Ltd. and Oqab Dietrich Induction Inc. are tied for the most recorded patents, with 2 each. California Institute of Technology, Georgia Techn Research Corporation, Trans Astronautica Corporation, Space Factory, Interlun, S.L., and Blueshift, LLC dba Outward Technologies each have 1. These figures reflect the patent-holder data provided.
Is lunar oxygen extraction and ISRU patent activity growing?
No: 10 patents were recorded in the 24-month window, and patent activity declined 57.1% in the last year versus the previous year. Publication activity moved in the opposite direction, rising 28.6% over that comparison. This split suggests that research output is expanding while recent patenting has slowed.
How mature is lunar oxygen extraction and ISRU?
The field remains research- and development-led: the data lists 190 research organizations, 26 companies and 1 startup. Recent evidence includes NASA testing a solar-concentrator approach on simulated material and studies comparing reactor kinetics. These results show technical investigation and prototype testing, rather than evidence of routine lunar production at operational scale.
What are the latest developments in lunar oxygen extraction and ISRU?
Recent developments include NASA’s solar-driven oxygen test reported in March 2026, ESA-associated fluorine-plasma processing published in September 2026, and a Chinese Academy of Sciences comparison of hydrogen-reduction reactors in August 2026. Other work addresses excavation, particle classification and regolith flow, reflecting a shift toward solving the full processing chain rather than reaction chemistry alone.
What are the main approaches to lunar oxygen extraction and ISRU?
The six named approaches are polar ice recovery, hydrogen reduction, carbothermal reduction, molten regolith electrolysis, thermal volatile extraction and regolith-based construction. Ice recovery targets water-bearing deposits; reduction and electrolysis extract oxygen from minerals; thermal extraction captures volatiles. Construction uses local soil for infrastructure rather than oxygen, but shares the need for reliable excavation and feedstock handling.
What are the applications of lunar oxygen extraction and ISRU?
The recorded applications are crew life support, propellant production, water supply, surface infrastructure, and local materials and manufacturing. Oxygen can contribute to breathing supplies or propellant systems, while recovered water supports supply needs. Processed regolith can also become construction materials or manufacturing feedstock, reducing dependence on Earth-delivered materials.