Remains have been found from all seven astronauts killed when the space shuttle Columbia broke apart upon re-entry Saturday, NASA officials say. Hear NPR's Steve Inskeep and Richard Harris
Award-winning journalist Richard Harris has reported on a wide range of topics in science, medicine and the environment since he joined NPR in 1986. In early 2014, his focus shifted from an emphasis on climate change and the environment to biomedical research.
It's been less than a week since a coalition of opposition fighters overthrew the Syrian regime. Opposition leaders and government workers are rolling back decades of repression and corruption.
NPR's Ari Shapiro talks with Steven Heydemann, Middle East Studies director at Smith College, about how Syria might avoid replicating Arab countries that are worse off after overthrowing dictators.
The drones have been seen above critical infrastructure like reservoirs, rail stations and military bases. The governor says there is "no known threat," but the FBI is still investigating.