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

One of the most creative takes on a time-travel movie came to us in the form of Hot Tub Time Machine. The franchise asked an important question: What if you got in a hot tub, and it took you back to a ...

Time travel has long lived in the realm of science fiction, but a prominent futurist now argues that humans could effectively ...

From H. G. Wells's The Time Machine to Christopher Nolan's Interstellar, the possibility of travelling through time has fascinated people for centuries. But, although it sounds like pure science ...