Scientists have "boldly gone" where no one has gone before, discovering what would happen if a faster-than-light warp drive like the one used in Star Trek were to fail.

To construct a warp drive, we'd need 10 times more negative energy than all of the positive energy in the universe.

All you Star Trek fans out there, start dreaming again: according to scientists, the warp drive that propels the Starship Enterprise in the Trek universe might not be as unrealistic as once ...