Pope Francis, who presided over the Roman Catholic Church and its estimated 1.4 billion followers for 12 years, died April 21 ...

Euclid is a six-year mission by the European Space Agency (ESA) aimed at mapping the dark universe by analyzing the positions ...

Catholic cardinals on Monday set May 7 as the start date for the conclave to elect Pope Francis’ successor, delaying the ...

The cardinals -- at least, those under 80 years old -- vote for as long as it takes to elect Pope Francis' successor.