The flow of time isn’t as consistent as we might think – gravity slows it down, so clocks on the surface of Earth tick slower than those in space. Now researchers have measured time passing at ...

Some events happen too fast to be captured in a photograph, no matter how quickly you hit the camera button. For example, certain quantum events are considered to be instantaneous, so they're hard to ...

A millimeter might not seem like much. But even a distance that small can alter the flow of time. “This is fantastic,” says theoretical physicist Marianna Safronova of the University of Delaware in ...