Move over, astronauts—fungi might be the real stars of space travel. In multiple out-of-this-world experiments, spores have survived freezing cold, scorching UV, and cosmic radiation without a spacesuit. From ISS experiments to astrobiological daydreams, scientists are now asking: could fungi colonize other planets before we do? Buckle up, Myco-Wanderer—this is the tale of the immortal shroomonauts and their deep-space endurance.