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.
Arizona is now the fourth state to bring "fake elector" charges against Donald Trump's allies. Retail milk has tested positive for bird flu remnants. Here's what to know.
An Arizona grand jury has indicted a group of allies of former President Donald Trump for their efforts to try to keep him in power after the 2020 election.
Former President Donald Trump's attorneys claim he has immunity from criminal charges over his attempt to overturn the 2020 election results. Trump is making a broad argument for immunity.