Explore the key moments in the history of quantum theory, from the early ideas of Albert Einstein and Werner Heisenberg to the discovery of phenomena like superposition and entanglement – and today’s ...

Is time travel possible? According to physicists, yes. Time travel to the future is not only possible, it's been scientifically proven. But what about traveling to the past? Well, that's a little ...

At the quantum level, the past and the future are indiscernible. That could have profound effects on the world we can see.

Fiction and time travel have been intertwined with one another for decades, with no shortage of mind-bending media for ...