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

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

Is your life really your life, or is it actually the dream of a butterfly? Or is it a complex computer simulation indistinguishable from “real” reality? Don’t worry, it’s just a glitch in the Matrix.

The idea that reality might be a kind of cosmic software has moved from late night dorm debates into serious physics journals, and now dueling teams of researchers are claiming they finally have the ...

The simulation hypothesis has challenged our fundamental notions of reality and captured the imaginations of millions.

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 breakthrough by UC Davis mathematicians could help scientists get three or four times the performance from supercomputers used to model protein folding, turbulence and other complex atomic-scale ...