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

Archduchess Estelle of Austria sadly died earlier this month at the age of 46. The royal leaves behind her husband Archduke Carl Christian and their five children ...

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 ...

The Archduchess Estelle of Austria has died aged 46, it has been confirmed, leaving her husband, Archduke Carl Christian, and ...

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

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, who died at 22, spoke about the rare genetic disorder he navigated in a video released by The PolG Foundation he founded.

Prince Frederik of Luxembourg died on Feb. 28 after years of being diagnosed with a rare mitochondrial disease, according to a statement issued over the weekend by his parents, Prince Robert and ...