If an army grew dissatisfied, the emperor was in trouble; if dissatisfaction spread further, he was finished. Civil war had brought Caesar to power. Once emperor and without an obvious heir ...

Emperor Naruhito turned 65 on Feb. 23, vowing to reaffirm his commitment to peace with the approaching 80th anniversary since the end of World War II. Naruhito also pledged to think more deeply ...

DNA from the remains of a Chinese emperor who lived 1,500 years ago has helped scientists create a facial approximation and learn what may have caused his death, a new study finds. Emperor Wu ...

The Roman emperor Nero is known as one of history’s most brutal and eccentric leaders. He is said to have killed his mother, stepbrother and wives, persecuted Christians and squandered a fortune ...