Time feels familiar. It marks every moment of daily life, from the ticking of a wall clock to the changing numbers on a ...

Space and time looked settled, at least in broad outline. Einstein’s special relativity gave physics a durable framework for ...

Faster-than-light particles have spent decades in physics as both temptation and warning. They offered a way to test the ...

An analysis of more than 70,000 galaxies by University of California, Berkeley, University of Zurich and Princeton University physicists demonstrates that the universe – at least up to a distance of 3 ...

Einstein’s general theory of relativity has been tested for the first time over distances nearly as large as the universe itself – and has, in the process, trumped most other alternative theories of ...