Buckingham Palace says King Charles III was hospitalized for observation on Thursday after experiencing “temporary side ...

The Austrian royal family released a statement saying Archduchess Estella of Austria died aged 46, leaving behind her husband ...

It was confirmed on Wednesday that Archduchess Estella of Austria passed away earlier this month, leaving her husband and five children in mourning ...

Heavily redacted court documents are shedding no fresh light on the circumstances under which Prince Harry entered the United States ...

It has emerged that Archduchess Estelle of Austria, who was just 46, died earlier this month, leaving behind her five young children and husband Archduke Carl Christian ...

The Austrian royal family has gone into mourning following the death of Archduchess Estelle, who died at the start of the ...

The Archduchess, who lived in Nice, leaves behind her husband  Archduke Carl Christian and their five children.

POLG-related diseases disrupt the function of the mitochondria, or "powerhouses" of the cell — starving them of energy.

The filmmaker who chronicled Prince Frederik of Luxembourg’s battle with the rare genetic disorder PolG has shared her experience working with the royal, who passed away on Mar. 1 at 22.

Prince Frederik of Luxembourg, son of Prince Robert and Princess Julie of Nassau, passed away at 22 in Paris due to POLG mitochondrial disease. Diagnosed at 14, Frederik advocated for research and ...

Prince Frederik of Luxembourg, the youngest son of Prince Robert and Princess Julie, died earlier this month at the age of 22. He was suffering from POLG mitochondrial disease, a rare genetic ...