The death of Pope Francis sets into motion a series of rituals, some of which go back more than 2,000 years, including how to choose the new pope. Here's what happens next.

Pope Francis' death sets into motion a series of formalized rites and observances that occur during what is called the interregnum, which begins upon the pontiff's passing and ends with the election ...

While inspecting a sumptuous villa in Rome, an electrician stumbled across long lost works by the Baroque painter Carlo Maratta.

The ancient Greeks developed sophisticated units of measurement ranging from measuring length, distance, volume, and weight of solids and liquids. Naturally, the units varied according to location and ...