Einstein desperately wanted a unified theory of physics. Thanks to gravitational waves—the poster child of general relativity—his wish might just come true. Gravitational waves are ripples in the ...

New paper suggests that the hotly contested physics thesis, which involves the existence of six ‘extra dimensions’, may be settled by cutting-edge laser detectors String theory makes the grand promise ...

A new study may help answer one of the universe’s biggest mysteries: Why is there more matter than antimatter? That answer, in turn, could explain why everything from atoms to black holes exists.