Asked to answer in one word the ideology it would most closely relate to Musk's onstage gesture, Grok didn't hesitate.

The "Sieg Heil" heard 'round the world has made its way to Germany, where activists are using that now-infamous image at Tesla's Gigafactory.

Elon Musk referenced Adolf Hitler and other Nazi leaders in a social media post filled with puns early Thursday.

Elon Musk decided it would be a fun idea to hop on the social-media site he purchased and rattle off a few Nazi puns. Predictably, it didn't go well.

Elon Musk, the world's richest man, standing behind a podium bearing the Seal of the President of the United States, on ...