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

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 ...

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

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 ...

Researchers at the Technion-Israel Institute of Technology have measured “dark points” inside light waves that appear to travel faster than light itself, confirming a theoretical prediction made half ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's rending of the moment before falling into a black hole. You can see a starry galaxy and strips of bright light bending ...