Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

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 ...

The Lisska Center for Intellectual Engagement will host a roundtable discussion on time travel at 4:30 p.m. Nov. 5. The event, “Time Travel: Fact, Fiction, and Flux Capacitors,” will take place in the ...

Time travel isn't exclusively a feature of the sci-fi genre, and history's greatest non-sci-fi time travel film is a classic ...