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

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

Ripples spreading across a calm lake after raindrops fall—and the way ripples from different drops overlap and travel outward ...

Quantum computers, systems that process information leveraging quantum mechanical effects, could soon outperform classical computers on some complex computational problems. These computers rely on ...

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 ...

Scientists are learning to engineer light in rich, multidimensional ways that dramatically increase how much information a ...

A team of researchers at the University of Waterloo have made a breakthrough in quantum computing that elegantly bypasses the ...

The Nvidia logo outside the company's offices in Shanghai, China, on Monday, Sept. 22, 2025. In the last two weeks, NVIDIA, the enabler and chief beneficiary of the AI craze, has bought into quantum ...