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

Time travel has long been a staple of science fiction, capturing the imaginations of storytellers and scientists alike. Recent breakthroughs in mathematical modeling might bring this fantastical ...

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, ...