Let's explore the possibility of traveling to universes beyond our own — if they so exist, that is. While parallel universes are a staple of science fiction, there are some real scientific ...

In the story "Sidewise in Time," a mathematics professor named Minott predicts that patches of parallel universes—worlds where human history unfolded differently—will start to tear through ...

I want to tell you a story that happened many years ago, as recently as today and will happen again tomorrow. It is a story about a deceptively familiar place where securing the basic necessities of ...