When scientists employ generative AI tools like ChatGPT to help with tasks such as editing and translation for their academic writing, many journals now ask them to disclose this assistance. The rules are intended to maintain transparency in scientific publishing. But many researchers are failing to acknowledge their reliance on these programs, according to a new report published in the journal PNAS. Yongyuan He and Yi Bu at the Department of Information Management, Peking University, analyzed more than 5.2 million papers published in 5,114 journals between 2021 and 2025.