Add Yahoo as a preferred source to see more of our stories on Google. While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if parallel ...

Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of what the universe looked like in the moments before it rapidly changed ...

This universe is getting to be a lot. As if troubling political trends, climate change, and a rising billionaire class weren’t bad enough, the space beyond our little blue planet is equally full of ...

While parallel universes are a staple of science fiction, there are some real scientific theories to support them. But if parallel universes do exist, could we ever travel to them? It certainly wouldn ...

Let's explore the possibility of traveling to universes beyond our own — if they so exist, that is. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...