Space mining could transform scientific research by providing uncontaminated samples of ancient solar system materials, enabling the construction of observatories on the Moon, supplying resources for long-duration experiments in deep space, and giving us a direct look at the internal structure of planets. Rather than a single benefit, the potential spans nearly every branch of space science, from cosmology to biology to planetary defense.
Pristine Samples of the Early Solar System
When scientists study the origins of our solar system, they typically rely on meteorites that have already fallen to Earth. The problem is that these samples are chemically altered the moment they enter our atmosphere and sit on the ground. Water, oxygen, and biological material all contaminate them. Mining asteroids and returning material directly changes this equation entirely.
Japan’s Hayabusa2 mission demonstrated the difference. Samples returned from the carbonaceous asteroid Ryugu turned out to be more chemically pristine than any similar meteorites in Earth-based collections. Analysis at Washington University in St. Louis confirmed that the equivalent meteorites (called CI chondrites) had been measurably altered by terrestrial contamination, while the Ryugu samples were devoid of it. That means the asteroid material still contains chemical information that was simply unavailable before, including details about the mixture of minerals, ice, and organic compounds present when the solar system was forming over 4.5 billion years ago.
Scaling this up through mining operations, rather than small sample-return capsules, would give researchers bulk quantities of uncontaminated material. That opens the door to experiments that require larger volumes, repeated testing, and destructive analysis techniques that consume the sample in the process.
A Window Into Planetary Cores
Earth’s core is thousands of kilometers below our feet, completely inaccessible to direct study. But some asteroids are essentially exposed planetary cores. These metallic (M-type) asteroids are the remnants of ancient bodies that differentiated into layers, just like Earth, before being shattered by collisions billions of years ago. Mining them would provide direct physical access to material that formed during core crystallization in the first few million years of the solar system’s history.
We already get hints of this from iron meteorites, which show compositional evidence of forming through fractional crystallization inside well-mixed molten metallic cores. These meteorites preserve signatures of early redox conditions, trace element behavior, the sizes and numbers of ancient planetesimals, and the processes by which cores formed. But meteorites are limited fragments. Extracting and analyzing material from an intact metallic asteroid would reveal how these chemical and physical processes played out on a larger scale, filling in gaps that small, weathered meteorite samples cannot.
Building Observatories on the Moon
The Moon’s far side is the quietest place in the inner solar system for radio astronomy. Shielded from Earth’s constant radio chatter, it is ideal for detecting extremely faint signals from the early universe. The challenge is getting enough building material there. Launching construction components from Earth costs roughly $10,800 per kilogram to deliver to the lunar surface, based on current Falcon Heavy pricing and the fuel penalty of landing on the Moon.
Mining lunar soil (regolith) and using it as raw material sidesteps most of that cost. FarView, an early-stage observatory concept published in Advances in Space Research, proposes manufacturing a large low-frequency radio array directly on the lunar far side. Earth-built equipment would be sent to the Moon to extract aluminum and other metals from the regolith, then use those metals to fabricate dipole antennas, power lines, and silicon solar cells on-site. The result would be an observatory capable of studying the universe’s “Dark Ages,” the period before the first stars ignited, by picking up the faint 21-centimeter hydrogen signal that is completely drowned out by interference on or near Earth.
Without lunar mining, building a structure this large would require hundreds of launches and billions of dollars in transportation costs alone. With it, most of the observatory’s mass comes from materials already sitting on the surface.
Sustaining Deep Space Research Stations
Long-duration scientific experiments in space, whether in biology, medicine, or materials science, require a constant supply of water and breathable air. Launching water to the International Space Station currently costs about $17,800 per kilogram using Falcon Heavy rockets. Oxygen is even more expensive at roughly $20,700 per kilogram. For a lunar base, those figures climb to around $29,000 and $33,300 per kilogram respectively.
Extracting water ice from permanently shadowed craters near the lunar poles could eventually make these costs negligible. NASA has identified proximity to these cold-trap areas as one of six essential criteria for selecting a lunar outpost location, both for the resource value and for the scientific interest of studying the ice itself. The ratio of water ice to other frozen volatiles trapped in these craters holds clues about how water was delivered to the inner solar system.
For research specifically, locally sourced water and oxygen mean a base can support more crew for longer periods, run experiments that consume resources (growing plants, testing life support systems, conducting chemistry), and operate without the schedule being dictated by resupply launches from Earth. A NASA analysis found that recycling oxygen on a lunar base breaks even with launch costs after about 402 days of operation, and water recycling breaks even after roughly 1,287 days. Mining water ice locally could push those numbers down further, making multi-year research campaigns financially viable in ways they currently are not.
Testing Planetary Defense Technologies
Deflecting a dangerous asteroid requires knowing exactly what it’s made of and how it holds together. Mining operations would generate precisely this kind of data. Drilling into an asteroid’s surface, anchoring equipment, excavating regolith, and measuring how the material responds to mechanical force all produce information that is essential for assessing whether a deflection strategy would actually work.
The overlap between mining and defense technology is direct. A mass driver system, one proposed method of asteroid deflection, would land a robotic mining apparatus on an asteroid’s surface and cast a steady stream of excavated material into space. The reaction force from ejecting that material would slowly push the asteroid onto a new trajectory. The same drilling and anchoring techniques needed to extract metals or water from an asteroid would also be needed to bury a nuclear device for fragmentation, or to attach a gravity tractor spacecraft.
Every mining mission to an asteroid would essentially double as a planetary defense rehearsal, testing anchor strength, surface cohesion, internal composition, and structural integrity. That data feeds directly into models that predict how different asteroid types would respond to deflection attempts, turning a commercial activity into a scientific and safety asset.
Reducing the Cost of Space Science
The economics of space research are dominated by one number: how much it costs to get a kilogram of material where it needs to be. Launch costs have dropped dramatically over the past decade, from roughly $70,000 per kilogram during the Space Shuttle era to about $1,520 per kilogram on a Falcon Heavy. That 46-fold reduction has already expanded what’s possible. But for destinations beyond low Earth orbit, the “gear ratio” (the amount of fuel and hardware needed per kilogram of payload) multiplies costs back up quickly.
Manufacturing scientific instruments, structural components, or even simple items like radiation shielding from mined space materials would bypass the gear ratio problem entirely. If a lunar base can produce its own antenna arrays, wiring, and solar cells from regolith, as the FarView concept proposes, then the only mass that needs to come from Earth is the specialized processing equipment. Every kilogram of locally sourced material represents thousands of dollars not spent on launches, money that could instead fund the research those facilities are built to conduct.