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

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 ...

A team of Australian and international scientists has, for the first time, created a full picture of how errors unfold over ...

Quantum physics is quietly rewriting the rulebook for how far and how fast humanity might travel beyond Earth. A cluster of ...

For decades, quantum computing has been heralded as a technology of the future, promising to solve problems far beyond the reach of supercomputers. But its practical use has remained elusive. That’s ...

There are currently about 80 companies across the world manufacturing quantum computing hardware. Because I report on quantum computing, I have had a chance to watch it grow as an industry from up ...

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 ...