Gravity used to be the most down-to-earth of ideas, the thing that kept apples falling and planets in line. Now a growing ...

The simulation hypothesis—the idea that our universe might be an artificial construct running on some advanced alien computer ...

Physicists have spent decades arguing over whether our universe is a fundamental reality or a kind of cosmic software, and ...

In this year’s Code Conference by Recode, Elon Musk, the CEO of SpaceX and Tesla Motors, was asked by journalist Josh Topolsky about whether he has considered the idea that we might be merely existing ...

Philosopher Nick Bostrom’s famous Simulation Argument suggests it’s highly probable that we live inside a supercomputer. But one philosopher takes this hypothesis to task, arguing in a new paper that ...

But the argument does no such thing. Bostrom is very open to the possibility that simulations are physically impossible; this is one reason that a simulation may never be created and why Bostrom’s ...