To construct a warp drive, we'd need 10 times more negative energy than all of the positive energy in the universe. When you purchase through links on our site, we may earn an affiliate commission.

Chief of Space Operations Gen. Chance Saltzman and U.S. Space Forces Indo-Pacific commander, Brig. Gen. Anthony Mastalir, meet at Joint Base Pearl Harbor-Hickam, Hawaii, May 3, 2024. Credit: U.S. Air ...

WASHINGTON — The Space Force is eyeing innovative in-orbit refueling technology, but a key question lingers: is it worth the cost, especially when the military is considering a shift towards cheaper, ...

Most of today’s leading theoretical physicists have a shared perspective about what the next revolution in physics will look like. They think reconciling Albert Einstein’s general theory of relativity ...

The following is an extract from our Lost in Space-Time newsletter. Each month, we hand over the keyboard to a physicist or two to tell you about fascinating ideas from their corner of the universe.

"The appearance of such structures sheds new light on the sorts of mathematical objects that nature is built from." Scientists have made the most accurate predictions yet of the elusive space-time ...