A rare square 37-carat emerald owned by the Aga Khan fetched nearly nine million dollars at auction in Geneva on Tuesday, ...

The Aga Khan, spiritual leader of the world's 15 million Ismaili Muslims and one of the world's wealthiest hereditary heirs, died Tuesday in Portugal. He was 88 and had led the Shiite branch ...

The Aga Khan, known for his triumphs in horse racing ... His stables and riders, wearing his emerald-green silk livery, enjoyed great successes with horses like Sea the Stars, which won the ...