Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

Let me take you on a wild ride to the very edges of our Universe. But it won't be as simple as traveling through space. Because the edges that we’re talking about aren’t in space. They’re in time. The ...

The curious minds at What If imagine traveling through a black hole into another universe, exploring the physics, dangers, and mind-bending possibilities beyond our cosmos.