The performance of quantum computers could cap out after around 1,000 qubits, according to a new analysis published in the Proceedings of the National Academy of Sciences. Through new calculations, ...

Quantum computers may slam into hard architectural walls long before they can crack the encryption protecting online banking, ...

SEEQC today announced a significant breakthrough in the development of scalable, chip-based quantum computers, with results published in a peer-reviewed study in Nature Electronics. The publication ...

Quantum computers, computing systems that process information using quantum mechanical effects, could outperform classical ...

A Canadian quantum computing start-up claims its new qubit will enable much smaller and cheaper error-free quantum computers. But getting there will be a steep challenge. To correct its own errors, a ...

BERKELEY, Calif., Jan. 20, 2026 (GLOBE NEWSWIRE) -- Rigetti Computing India P L, a wholly owned subsidiary of Rigetti Computing, Inc. (RGTI) (“Rigetti” or the “Company”), a pioneer in full-stack ...

Quantum computing firm Infleqtion has deployed the UK’s first operational 100-physical-qubit quantum computer at the National Quantum Computing Centre (NQCC) in Harwell, UK. Delivered in December 2025 ...

BERKELEY, Calif., July 16, 2025 (GLOBE NEWSWIRE) -- Rigetti Computing, Inc. (Nasdaq: RGTI) (“Rigetti” or the “Company”), a pioneer in full-stack quantum-classical computing, today announced that it ...

QuamCore Ltd, a startup working to develop a quantum computer with one million qubits, today announced that it has raised $26 million in early-stage funding. Sentinel Global led the Series A round ...

Fujitsu and RIKEN have unveiled a new superconducting 256-qubit quantum computer. The pair plans to install an even more powerful machine in 2026. Fujitsu and RIKEN (a leading Japanese research ...