A McDonald's employee returned to her Detroit-area restaurant after an argument Thursday and fatally stabbed a co-worker multiple times, police said.

Elon Musk's artificial intelligence company said Wednesday that it's taking down "inappropriate posts" made by its Grok ...

Billionaire Tesla owner Elon Musk said Thursday that Tesla vehicles will soon feature the artificial intelligence chatbot Grok, developed by Musk’s AI startup xAI. In a message posted to his social ...