Taiwan has quietly crossed a threshold that many larger powers are still struggling to reach, unveiling a 20-qubit superconducting quantum computer designed, fabricated, and integrated entirely on its ...

A new light-based breakthrough could help quantum computers finally scale up. Stanford researchers created miniature optical cavities that efficiently collect light from individual atoms, allowing ...

Quantum computing has long been constrained by the messy reality of controlling fragile qubits with bulky, power-hungry ...

Rigetti Computing India P L, a wholly owned subsidiary of Rigetti Computing, Inc. (Nasdaq: RGTI) (“Rigetti” or the “Company”), a pioneer in full-stack quantum-classical computing, today announced that ...

The MarketWatch News Department was not involved in the creation of this content. BERKELEY, Calif., Jan. 09, 2026 (GLOBE NEWSWIRE) -- Rigetti Computing, Inc. (Nasdaq: RGTI) ("Rigetti" or the "Company" ...

Which of these quantum computing plays has a brighter future?

The quantum computing underdog faces tough near-term challenges.

C12’s quantum processors are based on ultra-pure carbon nanotubes, a nearly one-dimensional material that achieves record coherence and low noise. This cleaner-materials approach enables scalable ...

Another major quantum computing record has been broken, and by a considerable margin: physicists have now built an array containing 6,100 qubits, the largest of its type and way above the thousand or ...

Diamonds might be the next big thing in quantum computing. Quantum Brilliance now grows ultra-pure diamonds for better ...

BERKELEY, Calif., Jan. 09, 2026 (GLOBE NEWSWIRE) -- Rigetti Computing, Inc. (Nasdaq: RGTI) (“Rigetti” or the “Company”), a pioneer in full-stack quantum-classical computing, today announced that it is ...

C12, a European deep-tech company building spin qubit quantum processors, and Classiq, a software platform for ...