This is the first spacetime to be written down in which a warp-drive is not required to have exotic negative energy. That one ...

For more than a century, Einstein’s relativity has set a hard speed limit for the universe, with light as the ultimate ...

Add Yahoo as a preferred source to see more of our stories on Google. A black ball in the center of the screen looks to be falling into a warped spacetime diagram. . Scientists have confirmed, for the ...