Leonardo da Vinci, history's ultimate genius polymath, still makes headlines as his work inspires new research.

With its implication that the young woman isn’t as chaste as she should be, the marriage-prospect-derailing portrait triggers ducal panic and the deployment of the city-state’s best investigative ...

Pope Francis on Monday signed a decree that recognized the 20th-century visionary’s “heroic virtues” and put him on the path ...