At Sundance with her film 'Prime Minister,' New Zealand's Jacinda Ardern stopped by The Times' studio in Park City to discuss ...

Trump’s Moves to Upend Federal Bureaucracy Touch Off Fear and Confusion Agencies are gripped with uncertainty about how to implement a blizzard of President Trump’s new policies as workers ...

Cystic fibrosis is a progressive, genetic disease that affects the lungs ... There are more than 1,700 known mutations of the disease. Most genetic tests only screen for the most common CF mutations.