1,000-year-old church mystery cracked by students from King Charles' alma mater

Boarding school students in Scotland helped uncover something extraordinary during a school trip: the remains of what's believed to be a 1,000-year-old Viking-era church.

Young people from Gordonstoun, located in Moray, Scotland, uncovered the foundations of an altar and a step inside the long-known ruins on the deserted island of Swona in Orkney.

Gordonstoun — the alma mater of King Charles III and his late father, Prince Philip — runs an annual service project on the remote island called the Swona Service Project...