Ryugu samples showing signs of bacteria contamination. Trying to understand the evolution of planets and life is really a driving motivation for a lot of science and science fiction. Landing squarely in the “I think I read a horror story about this,” scientists found that all attempts to prevent earth life from sneaking into a sample of material from the asteroid Ryugu were futile. According to a paper led by Matthew Genge and appearing in Meteoritics & Planetary Science, “the sample was contaminated with microorganisms during the preparation of the polished block” prior to X-ray...