Casimir cavities are mysterious spaces between microscopic metal plates in a vacuum. Areas of diminished energy between the plates cause them to push toward each other, as if trying to fill the ...

The idea of warp drive—the ability to travel faster than the speed of light—has fascinated humanity for decades. It began as a fictional concept in Star Trek and Star Wars, fueling imaginations and ...

“Scotty, I need warp speed in 3 minutes or we’re all dead.” This command by first generation “Star Trek” Captain James Kirk in the fictional 2020s is a famous line in modern science fiction. It’s the ...

Anyone who grew up obsessed with Star Wars will know the thrill of seeing Han Solo and Chewbacca launch the Millennium Falcon into hyperspace for the first time. In the films, hyperdrive engines allow ...

"Warp drives" used by super-advanced alien civilizations may create specific space-time ripples in their wake that we can spot from Earth, a new paper argues. However, the jury is still out on whether ...