The first nation to achieve quantum supremacy doesn’t just win a science prize. It wins the ability to break every encryption ...

"Quantum" may seem like a useless buzzword, but quantum computing is a real thing, and it's actually understandable even if ...

Physicists at Silicon Quantum Computing have developed what they say is the most accurate quantum computing chip ever engineered, after building a new kind of architecture.

Rapid advances in the kind of problems that quantum computers can tackle suggest that they are closer than ever to becoming ...

Alphabet's Google Quantum AI is addressing nearly every aspect of superconducting quantum computing. Amazon's Ocelet chip ...

D-Wave Quantum’s quantum annealing technology has demonstrated applicability in real-world use cases. Both stocks are trading ...

Even if quantum machines capable of breaking Bitcoin’s cryptography are decades away, the work required to update software, ...

On May 7, 1981, influential physicist Richard Feynman gave a keynote speech at Caltech. Feynman opened his talk by politely rejecting the very notion of a keynote speech, instead saying that he had ...

Rigetti's technology is much faster than IonQ's, but more error-prone.

Xanadu Quantum Technologies Inc is a Canadian quantum computing startup that has made some impressive progress since it was ...

Exchange-traded funds (ETFs) can be a great way of gaining access to a complex industry that holds plenty of long-term potential. Quantum computing is one of the world' ...

Some publicly traded quantum computing firms have seen their shares grow significantly in 2025. Whether it continues into ...