Just Elon Musk's name is enough to evoke an emotional response in many people, ranging from hope and glee in some to anger and disgust in others. But how about existential dread? It's true that one of ...

Is the world around us real — or are we living in a simulation, like characters trapped inside some space alien’s video game? That sounds like a question you might hear at a midnight screening of "The ...

If watching The Matrix caused you to question reality, you’re not alone. Many powerful tech leaders in Silicon Valley and elsewhere are so convinced we’re all living in a simulation that some of them ...