A new research paper reframes the simulation hypothesis, asking whether reality could be simulated and what science can test.

In the strange world of quantum mechanics, objects can exist in several states at once. This concept, called superposition, is one of the most puzzling features of quantum theory. A particle, for ...

The idea that the universe itself might be intelligent sounds like science fiction, yet a growing group of researchers is ...

String theory would then be the ultimate realization of the Platonic ideal of a fully explicable cosmos. In the past few years, however, physicists have discovered that string theory predicts not a ...