FaithExplainer
Here's a look at what we know about the operation and what the pope's doctors will be watching out for.
Politics & SocietyNews
The mission of the Vatican hospital is "today more aimed at profit than on caring for children," according to a report from the AP.
Politics & SocietyNews
The new procedures are intended to fix problems linked to mitochondria, the energy-producing structures outside a cell's nucleus.
News
The U.N. agency took the rare step despite a lack of definitive evidence proving the mosquito-borne virus is causing a surge in babies born with brain defects and abnormally small heads in Brazil and following a 2013-14 outbreak in French Polynesia.