Joe Palca is a science correspondent for NPR. Since joining NPR in 1992, Palca has covered a range of science topics — everything from biomedical research to astronomy. He is currently focused on the eponymous series, "Joe's Big Idea." Stories in the series explore the minds and motivations of scientists and inventors. Palca is also the founder of NPR Scicommers – A science communication collective.
Russia has launched a mass drone and missile attack on Ukraine's capital, Kyiv, killing one person and injuring at least 31. Local authorities report damage across six districts.
Political organizer Denise Powell has defeated State Sen. John Cavanaugh to win the Democratic primary in the closely watched race for Nebraska's second congressional district.