During Donald Trump’s second presidency, ProPublica will focus on the areas most in need of scrutiny. Here are some of the issues our reporters will be watching — and how to get in touch with them ...

Apr. 2, 2026 A mysterious Greek inscription found beneath the Great Mosque of Homs could pinpoint the long-debated location of an ancient sun temple. Scholars now think the mosque sits atop a sacred ...

Marwitz et al. demonstrate the use of large language models to build semantic concept graphs from materials science abstracts and train a machine learning model to predict emerging topic combinations ...