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 ...

Associate Professor Melvin M. Vopson of the University of Portsmouth has published a paper arguing that gravity, which we think of as the fundamental force of the universe, may not actually be a force ...