Discover the top stories from May 24 to May 30, 2026, that you may have missed, including a new species of tiny octopus and a mysterious outbreak of norovirus in California.

Learn more about the impacts of pesticides and cancer risks, and how a mixture of chemicals may be more harmful than originally thought.

Learn how a 260-million-year-old Permian reptile, once thought to explain turtle evolution, turned out to belong to a different lineage, reshaping the story of turtle origins in the Triassic Period.