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.
NPR's Danielle Kurtzleben speaks with astrophysicist Priyamvada Natarajan about the James Webb Space Telescope's recent discovery of two distant black holes colliding.
Without addressing his then-girlfriend Cassie Ventura, who is seen in the video being kicked and dragged in 2016, the hip-hop mogul says, "I was disgusted then when I did it. I'm disgusted now."
Ed Dwight, a former Air Force test pilot who was passed over to become an astronaut in the 1960s, described his flight aboard Blue Origin's New Shepard as "life changing."