Morning Brief reader Dick in Illinois writes in to ask "Where does 'cats and dogs,' describing heavy rain, come from?" Meteorologist Tiffany Savona: Growing up, I would hear my parents say, “It's ...

Scientists used advanced technology to assess the risks. Officials uncover rising threat to US groundwater — here's what you ...

Economic Hardship Reporting Project and The Guardian talk to Florida residents who have been impacted by increasingly strong ...