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.
Some U.S. colleges and universities, worried about potential restrictions under the incoming Trump administration, are advising international students to return to campus before inauguration day.
Collapse of Assad regime in Syria has been a huge blow for Iran. U.S. colleges and their international students prepare for second Trump term. Mystery drones flying over New Jersey puzzle officials.