Humanoid robots have long been a punchline, from clumsy factory demos to viral clips of machines tripping over cables.

Elon Musk’s humanoid robot project, Optimus, is being sold as the next general-purpose machine that will walk out of Tesla factories and into homes, warehouses and elder-care facilities. The pitch ...

Tesla Inc. hasn’t done enough to protect against drivers misusing its Autopilot system, a safety expert testified at a trial over a 2019 fatal collision. Mary “Missy” Cummings, an engineering ...