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 ...

In Newtonian physics, space and time had their independent identities, and nobody ever got them mixed up. It was with the theory of relativity, put together in the early 20th century, that talking ...