A wayward SpaceX rocket crashes into the moon, offering scientists a rare chance to study a lunar impact, while cyberattacks targeting U.S. water utilities raise concerns about critical infrastructure security. We also unpack the record-breaking Cyclospora outbreak driving shoppers to farmers markets and explore the Food and Drug Administration’s approval of the first mRNA-based flu vaccine.Recommended Reading:A SpaceX rocket is about to crash into the moon—scientists will be watchingElon Musk reveals SpaceX plans to build satellite factories on the moonIn a first, U.S. approves powerful new mRNA vaccine for fluCyclospora outbreak tied to two deaths as parasite-borne illness continues to rageJoin our Summer Reading Challenge E-mail us at [email protected] if you have any questions, comments or ideas for stories we should cover!Discover something new everyday: subscribe to Scientific American and sign up for Today in Science, our daily newsletter.Learn more about your ad choices. Visit megaphone.fm/adchoices