Warp drive has long been shorthand for “pure fantasy,” a narrative device that lets starships hop between stars without ...

For the first time, a group of physicists has written down a warp drive concept that does not ask the universe for impossible ...

Their work introduces a new concept called q-desics, short for quantum-corrected paths through space–time. These paths ...

Strangely, although we feel as if we sweep through time on the knife-edge between the fixed past and the open future, that edge—the present—appears nowhere in the existing laws of physics. In Albert ...

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 ...

Black holes — those mysterious voids in spacetime — are among the most extreme tests of the physics that we know. They reveal what we don’t understand about the Universe, with paradoxes and ...

HERE is a readable book, excellently translated, for which we have again to thank Mr. H. L. Brose. Though it is called an introduction to the theory of relativity and gravitation, it is more strictly ...