Mars astronauts could live in houses made of yeast and jello, say scientists

Live updates

1. 19d ago

   Scientists Plan 3D-Printed Martian Houses Using Yeast and Gelatin

   Researchers have formulated a novel 3D-printable material combining inert sand, a gelatin-based hydrogel, and engineered yeast cells for construction under simulated Martian conditions. This living cement hardens without heat and achieves strength close to low-grade concrete while requiring far less processing energy than conventional regolith sintering. Future settlers face high expenses to transport building supplies from Earth or must expend massive energy to melt Martian soil into bricks. While the bulk of the ingredients consist of sand and rock on the red planet, the gelatin and yeast elements must still travel from Earth.

   Why it matters

   Building on Mars presents severe obstacles because the planet is bitterly cold, blasted by radiation, and features a near vacuum. Transporting building supplies from Earth or melting Martian soil into bricks demands massive energy and high expenses. Scientists are therefore turning to unexpected biological materials to make off-world construction practical.

   What is confirmed

   • Scientists are hoping to 3D-print buildings on Mars using yeast and gelatin.
   • Researchers have developed a living material that uses engineered yeast, sand and a gelatin-based hydrogel to create bricks for future Mars construction.
   • Mars is bitterly cold, blasted by radiation and a near vacuum.

   Still unconfirmed

   • NASA-backed experiments are using engineered microbes to convert discarded water bottles into edible protein for space missions.

   What to watch next

   • Further testing of the 3D-printable living cement under actual simulated Martian environmental chambers
   • Developments regarding the logistics of transporting gelatin and yeast ingredients from Earth to Mars
   Sources used for this update (8)

   1. starwalk.space — All About Mars: Facts, Pictures & How to See Mars - Star Walk
   2. www.biotechniques.com — 3D printing houses on Mars using yeast – it’s not as crazy as it sounds
   3. www.nasa.gov — NASA Discovery Reveals Complex Water Systems on Early Mars
   4. www.technologyreview.com — Mars may be a hellhole, but the moon is not far behind
   5. www.vbiognostics.com — 3D printing houses on Mars using yeast – it’s not as crazy as ...
   6. maximinfra.in — Could Yeast Help Build Homes on Mars? - Maxim Infra News
   7. metropolitandigital.com — Could people turn Mars into another Earth? Here’s what it ...
   8. www.popularmechanics.com — Scientists Have Developed a Breakthrough Energy Source to ...
   confidence 95%
2. 25d ago

   Scientists design living Martian building material from yeast and jello

   Researchers in Hong Kong formulated a novel 3D-printable material combining inert sand, a gelatin-based hydrogel, and engineered yeast cells for construction under simulated Martian conditions. This super-sticky living cement hardens without heat and achieves a strength close to low-grade concrete while requiring far less processing energy than conventional regolith sintering. Future settlers on Mars face high expenses to transport building supplies from Earth or must expend massive energy to melt Martian soil into bricks. While the bulk of the ingredients consist of sand and rock on the red planet, the gelatin and yeast elements must still travel from Earth.

   Why it matters

   Transporting heavy building supplies from Earth remains financially prohibitive, and melting Martian soil into bricks demands massive energy expenditures. A low-energy alternative that processes locally available sand reduces mission burdens significantly. The research was published in Chem Circularity under the title 'Engineered living building material for low-energy construction on Mars'.

   What is confirmed

   • Scientists have developed a new living building material designed for construction on Mars using engineered yeast and gelatin.
   • The material combines inert sand with a gelatin-based hydrogel and engineered yeast cells.
   • The research was published in Chem Circularity under the title Engineered living building material for low-energy construction on Mars.

   Still unconfirmed

   • The living building material can be recycled into new bricks.

   What to watch next

   • Further durability testing of the living cement under actual space weathering conditions
   • Assessments of how the gelatin and yeast components will be reliably manufactured or transported at scale for Mars missions
   Sources used for this update (3)

   1. interestingengineering.com — Super-sticky ‘living cement’ could turn Martian dirt into 3D-printed shelters, study finds
   2. timesofindia.indiatimes.com — Scientists develop a living building material for Mars using ...
   3. article.wn.com — Scientists develop a living building material for Mars using ...
   confidence 100%
3. 27d ago

   Scientists Design Mars Habitats From Yeast and Gelatin

   Researchers in Hong Kong formulated a novel 3D-printable material composed of genetically engineered yeast, gelatin, and sand for construction in simulated Martian conditions. Future settlers on Mars face high expenses to transport building supplies from Earth or must expend massive energy to melt Martian soil into bricks. This quick and low-cost living substance hardens without heat and achieves a strength close to low-grade concrete. While sand and rock on the red planet form the bulk of the ingredients, the gelatin and yeast elements must still travel from Earth.

   Why it matters

   Traditional space construction requires hauling heavy cargo across space or consuming large amounts of power on site. This living material approach offers a sustainable alternative for building self-sustaining structures. The study detailing these findings was published online last month in Chem Circularity.

   What is confirmed

   • Scientists in Hong Kong developed a 3D-printable material using genetically engineered yeast, gelatin, and sand.
   • The material is designed for low-energy construction under conditions simulating the Martian environment.
   • Researchers tested the living material in simulated conditions and noted it achieves a strength close to low-grade concrete.
   • The study was published online last month in Chem Circularity.

   What to watch next

   • Further testing of the material under actual spaceflight or vacuum conditions
   • Evaluations detailing how the yeast and gelatin components can be self-replicated on Mars
   Sources used for this update (5)

   1. arstechnica.com — Research roundup: 6 cool science stories we almost missed
   2. newsdarpan.in — Hong Kong Scientists Develop Yeast Material for Mars Shelters
   3. www.successstories.news — Mars shelter problem can be solved with engineered yeast ...
   4. piqmarkets.com — Engineered yeast, gelatin and sand can build Mars structures ...
   5. www.wol.com — Mars shelter problem can be solved with engineered yeast ...
   confidence 100%
4. 29d ago

   Scientists Test 3D-Printed Martian Mud Houses Made With Yeast

   Researchers developed a printable material using ground Martian rock, gelatin, and living yeast to construct habitats on Mars. This mixture hardens without heat and can be recycled. Scientists at the University of Hong Kong tested this living material in conditions simulating the red planet, noting it achieves a strength close to low-grade concrete. While sand and rock on Mars provide the bulk of the ingredients, the gelatin and yeast components must be transported from Earth for these self-sustaining structures.

   Why it matters

   Building habitats on Mars requires in-situ resource utilization to bypass the heavy costs of transporting traditional building materials from Earth. This research forms part of broader strategies to colonize Mars following initial efforts on the Moon. Developing autonomous and local construction methods addresses the massive engineering challenges of establishing a permanent human settlement in deep space.

   What is confirmed

   • Researchers developed a printable material using ground Martian rock, gelatin, and living yeast that hardens without heat and can be recycled.
   • Sand and rock on Mars can be turned into a building material using gelatin and living yeast, cured by freezing cold and low pressures without needing a furnace.
   • Scientists at the University of Hong Kong developed the recipe for 3D-printing houses on Mars using ground-up Martian rock, gelatin, and yeast.
   • The living material is printed in 3D and hardened in conditions simulating the red planet, reaching a strength close to low-grade concrete.

   Still unconfirmed

   • Mud houses built with this yeast and rock mixture are described as critical for life beyond Earth.

   What to watch next

   • Further durability testing of the yeast and gelatin mixture under actual Martian environmental extremes.
   • Developments regarding the logistics of transporting the biological ingredients like yeast and gelatin from Earth to Mars.
   Sources used for this update (5)

   1. newatlas.com — Martian mud houses 3D printed using yeast and rock - New Atlas
   2. www.earth.com — A strange new building material could work on Mars
   3. article.wn.com — 3D-printed Martian mud homes look critical for life beyond ...
   4. www.lavoixdefrance.fr — Des maisons imprimées en 3D sur Mars avec de la levure : ce ...
   5. scienceinsights.org — What Does Building a Mars Settlement Actually Take?
   confidence 100%
5. 31d ago

   Astronauts Could 3D-Print Mars Habitats Using Yeast and Gelatin

   Scientists are testing unconventional biomaterials such as yeast, gelatin, and Jell-O to 3D-print houses for future astronauts on Mars. This research explores in-situ resource utilization as an alternative to heavy transported materials for building habitats on the red planet. In a related culinary feat for deep-space missions, a laboratory delivered 3D-printed cookies made from water bottles following a request from NASA. These developments form part of broader strategies to colonize Mars after initial efforts on the Moon.

   Why it matters

   Space exploration typically relies on heavy transported materials, forcing researchers to find biological substances and recycling methods for long-term missions. NASA previously sought deep-space snacks, prompting labs to innovate with 3D-printed items made from recycled water bottles. Meanwhile, scientific efforts continue to evaluate how astronauts might build durable shelters on distant planetary bodies.

   What is confirmed

   • Scientists are testing biomaterials made from yeast, gelatin, and Jell-O to 3D-print houses for future astronauts on Mars.
   • A lab delivered 3D-printed cookies made from water bottles after NASA requested deep-space snacks.
   • Mars is a desert-like rocky planet with a tenuous atmosphere primarily composed of carbon dioxide.

   What to watch next

   • Further laboratory tests on the structural integrity of yeast and gelatin-based building materials for space habitats
   • Additional NASA payloads and trials involving 3D-printed food products for deep-space missions
   Sources used for this update (10)

   1. www.popularmechanics.com — Here, Have a Cookie. It’s Made of Plastic.
   2. www.mars.com — Global Petcare, Food & Nutrition, and Snacking Brands | Mars
   3. en.wikipedia.org — Mars - Wikipedia
   4. science.nasa.gov — Mars - NASA Science
   5. www.mars.com — Mars Snacking: Inspiring Moments of Everyday Happiness | Mars,...
   6. science.nasa.gov — Mars Gallery - NASA Science
   7. science.nasa.gov — Mars: Facts - NASA Science
   8. www.youtube.com — Mars - YouTube
   9. careers.mars.com — Careers at Mars | Mars job opportunities
   10. en.wikipedia.org — Mars Inc. - Wikipedia
   confidence 100%
6. 47d ago

   Mars Astronauts Could Live in Yeast and Jell-O Houses

   Scientists are testing biomaterials made from yeast, gelatin, and Jell-O to 3D-print houses for future astronauts on Mars. Researchers are exploring how these unconventional ingredients could hold the key to brewing and building habitats on the red planet. While space exploration typically relies on heavy transported materials, these biological substances offer potential alternatives for in-situ resource utilization. The testing forms part of broader strategies to colonize Mars following initial efforts on the Moon.

   Why it matters

   Building sustainable habitats is a primary hurdle for crewed missions to deep space. Traditional construction materials are too heavy and expensive to transport from Earth in the quantities needed for a base. Utilizing biological agents like yeast and gelatin opens up new pathways for manufacturing infrastructure directly on planetary surfaces.

   What is confirmed

   • Scientists state that Mars astronauts could live in houses made of yeast and jello.
   • Researchers are testing 3D-printing houses on Mars using freeze-dried yeast.
   • Scientists hope to build houses on Mars using yeast and gelatin.

   Still unconfirmed

   • Jell-O and beer may specifically hold the keys to brewing houses on Mars.

   What to watch next

   • Further testing of biomaterials for 3D-printing habitats
   • Updates on colonization plans for Mars following the Moon
   Sources used for this update (5)

   1. The Register — Mars astronauts could live in houses made of yeast and jello, say scientists
   2. Popular Science — Mars astronauts could live in houses 3D-printed from freeze-dried yeast
   3. CNET — Jell-O and Beer May Hold the Keys to Brewing Houses on Mars
   4. Euronews.com — 3D printing to colonise Mars after the Moon: the biomaterials tested by scientists
   5. The Conway Daily Sun — Scientists hope to build houses on Mars using yeast and gelatin
   confidence 90%