Could a toxic chemical in Mars dirt help us build a Red Planet base? Perchlorate, a toxic substance found in Mars dirt, could help the bacterium Sporosarcina pasteurii strengthen bonds between particles of regolith. Astrobitica February 5, 2026 (Last updated: February 5, 2026) 1 minute read Perchlorate, a toxic substance found in Mars dirt, could help the bacterium Sporosarcina pasteurii strengthen bonds between particles of regolith. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Deep space, dim objects: Why asteroid mining caught the Space Force’s eyeNext: Dark matter, not a black hole, could power Milky Way’s heart