Twenty-six states are challenging the action, which would grant temporary, quasi-legal status and work permits to as many as 4 million parents who entered the U.S. illegally before 2010.
In a new memoir, Dr. Mary Guinan reflects on 40 years as a disease detective for the CDC.
Pope Francis visited the Greek island of Lesbos to focus on the troubles of migrants. Reporter Joanna Kakissis talks with NPR's Michel Martin about the trip and its possible effects.
The lower house of Parliament plans to vote Sunday on whether to send impeachment proceedings against President Dilma Rouseff to the Senate for a possible trial. Reporter Caroline Osborne has more.
Ecuador is assessing the damage and death toll after a powerful earthquake. Thomas Hollywood, director of Catholic Relief Services in South America, gives us the latest from the capital, Quito.
Jews are leaving France in a climate of increased tensions. NPR's Rachel Martin speaks with Robert Ejness from CRIF which monitors Jewish security in France.
NPR's Rachel Martin talks with John Matthews in Tokyo about the earthquake in Kumamoto, and the race to find survivors.
NPR's Rachel Martin talks about the state of the Democratic presidential race with New York Times columnist Frank Bruni.
The Tribeca Film festival starts this week and it's going to showcase a lot more than films.
For the first time, scientists have scanned the brains of subjects taking LSD, and found that the LSD state mimics that of infants. NPR's Rachel Martin speaks with researcher Robin Carhart-Harris.