To construct a warp drive, we'd need 10 times more negative energy than all of the positive energy in the universe.
A scientific discovery that could transform the study of warp drive is now under wraps at the U.S. Defense Advanced Research ...
Science fiction often gets around this through advanced technology - such as Star Trek's warp drive - allowing faster-than-light travel. On the show, a special 'warp drive' powered by a reaction ...