We experience the flow of time because it’s a natural outcome of the basic laws of physics. But we may need to build a whole new model to account for gravity’s influence.

Physicists have designed a set of quantum control protocols that can make a monitored quantum process look as though time is ...

Cosmology has a way of turning everyday certainty inside out, and few ideas do it more brutally than the suggestion that your entire life story could be a physical fluke. The Boltzmann brain puzzle ...