Earthworms can reproduce in Mars-like soil, study shows
A Netherlands-based study has observed adult earthworms reproducing two offspring in Mars soil simulant obtained from NASA. The researchers have also grown crops like green beans, peas, radish, tomato, potato, rucola, carrot with support from a crowdfunding campaign. Worms can be used in a closed agricultural system as they could break down and recycle waste from future Martians, scientists said.