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

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 ...

Rigetti Computing postponed the launch of its 108 qubit system to work on improving error rates. The company did not advance in a prominent DARPA quantum computing contract tied to government research ...

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?

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 quantum computing underdog faces tough near-term challenges.

Amazon is boosting its quantum computing bets with Peter DeSantis, its new leader for AI models, custom silicon (semiconductor chips) and quantum computing. DeSantis is a 27-year Amazon veteran who ...

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 ...

Researchers and tech companies are in a global race to develop quantum computers that can solve hard scientific problems that conventional computers can’t, and that they hope can eventually support ...

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 ...