NEW HAVEN, Conn. — Most people know Caligula as one of history’s most deranged rulers: a bloodthirsty Roman emperor who supposedly made his horse a consul and murdered people for entertainment. But ...

Caligula, the ancient Roman emperor infamous for his insanity and cruelty, may have had a soft spot for plants, according to recently published research. A new study co-authored by Trevor Luke, a ...

Caligula, the notoriously erratic Roman emperor known for his bloodthirsty cruelty, probably also possessed a nerd’s knowledge of medicinal plants, according to a new Yale study. The study, by the ...