A moon crash, water hacks and a new mRNA flu shot

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 watching Elon Musk reveals SpaceX plans to build satellite factories on the moon In a first, U.S. approves powerful new mRNA vaccine for flu Cyclospora outbreak tied to two deaths as parasite-borne illness continues to rage Join our Summer Reading Challenge E-mail us at sciencequickly@sciam.com 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