Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today?

As AI and quantum collide, we get huge leaps in power — along with a scramble to secure our data, trust the results and brace ...

Time travel has long lived in the realm of science fiction, but a growing body of physics research now argues that journeys into the past might fit inside known laws of nature without tearing ...

The exploration of quantum information challenges objective reality, positing the universe as a hologram is explored through ...