The idea that reality might be a kind of cosmic software has shifted from late-night dorm debate to a live question in physics and philosophy. A growing body of work now treats the “simulation ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. Is the whole universe just a simulation?

Add Yahoo as a preferred source to see more of our stories on Google. Could the Earth and everything on it – and even the whole universe – be a simulation running on a giant computer? OsakaWayne ...

What if gravity, the force that holds your feet to the ground and binds galaxies together, is much more than a fundamental law of nature? What if it's actually the smoking-gun clue that suggests ...

What if gravity, the force that holds your feet to the ground and binds galaxies together, is much more than a fundamental law of nature? What if it’s actually the smoking-gun clue that suggests ...

How do you know anything is real? Some things you can see directly, like your fingers. Other things, like your chin, you need a mirror or a camera to see. Other things can’t be seen, but you believe ...

As I mention often on this blog, I have a great interest in the universe—astrophysics, quantum mechanics, cosmology, all that stuff. With that, I’m no expert in any of it. I just enjoy reading and ...