Even if it turns out that time loops never take shape, studying them provides key insights into the deepest rules of reality.

Time travel has long lived in the realm of fantasy, but a growing body of research is quietly shifting it into a serious ...

Physicists are quietly rewriting the rulebook for how we might cross the gulf between stars, not by bolting bigger rockets to ...

A new experiment using Google’s Sycamore quantum processor has taken a bold step toward testing ideas from quantum gravity. For the first time, researchers successfully sent quantum information ...

Governments and tech companies continue to pour money into quantum technology in the hopes of building a supercomputer that can work at speeds we can't yet fathom to solve big problems.

SEEQC, which traces its lineage back to IBM, is building the world’s quantum computers. They might prove critical in the ...