Time travel has shifted from pure fantasy to a serious, if highly constrained, topic in modern physics. The equations that describe gravity, quantum fields and the structure of spacetime now allow ...

Scientists have taken one more step down the very long road to time travel. A new paper combines the Alcubierre “warp” drive with the idea of “controlled closed timelike curves.” Though far out, ...

Denison University will host a free roundtable discussion on time travel on Nov. 5. The event features experts in philosophy, English and physics and astronomy. Panelists will discuss the possibility ...