For centuries, we’ve believed time moves in one direction - from the past, through the present, into the future. But new ...

The world’s best clocks may be sensitive to an odd mix of quantum and relativistic effects that would stretch time and test the boundaries of physics ...

Atomic clocks record time using microwaves to measure the frequency of quantum vibrations of electrons. They are the basis upon which a second is defined. But there’s a new kid on the block, the ...

Endgame" speaks about the elements of the movie's time-travel plot line that are supported by science.