How 3D Printing and Living Organisms Could Build the Future on Mars
How 3D Printing and Living Organisms Could Build the Future on Mars  
Podcast: Bedtime Astronomy
Published On: Fri Sep 18 2026
Description: What if future Mars habitats could be 3D-printed using materials grown and gathered on the planet itself?Researchers have developed a bio-based construction material combining Martian regolith, gelatin, and genetically engineered yeast that could form structures as strong as concrete. Still tested only in simulated conditions, the technology could point toward a more sustainable and recyclable way to build future colonies on Mars.Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs.This episode includes AI-generated content.