Some things you can see directly, like your fingers. Other things, like your chin, you need a mirror or a camera to see.

Few scientific ideas have leapt from philosophy seminars to dinner-table debates as quickly as the claim that our universe ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers say it's impossible to use algorithmic computation to generate everything in our universe. The possibility that our ...

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 ...

A physicist has mounted one of the most detailed technical challenges yet against the idea that our universe is a computer simulation, arguing that the energy required to run such a program would ...

The simulation hypothesis is an impressive logical and philosophical argument that has challenged our fundamental notions of reality.

The simulation hypothesis—the idea that our universe might be an artificial construct running on some advanced alien computer—has long captured the public imagination. Yet most arguments about it rest ...

Elon Musk and others find it plausible that our experiences result from events in a computer simulation, just like the characters in the Matrix movies. An alternative view, supported by both common ...

In this week's It’s Debatable article, Rick Rosen and Charles Moster debate whether we're all living in a computer simulation like the Matrix. Rosen retired as a professor from the Texas Tech ...