Mason Peck, an aerospace engineer at Cornell, was trying to test innovative designs in spacecraft when a stop-work order hit.

Tesla's Optimus has tried to fight Jared Leto on the Tron Ares red carpet in a viral moment that overshadowed a serious worker injury lawsuit.

Tesla’s humanoid robot Optimus made headlines at the Los Angeles premiere of Tron: Ares, but not all attention was positive.

Investors are pouring billions into companies pitching humanoid robots, but functional versions are decades away.