Quantum computers, systems that process information leveraging quantum mechanical effects, are expected to outperform ...

Amid some scepticism, many say the machines can now achieve results beyond the capability of traditional computers ...

The past decade has seen major improvements in qubit quality, coherence, and quantum error correction, but scaling has remained a tremendous challenge, in large part due to wiring constraints. With ...

Rigetti Computing’s RGTI confidence in reaching a 1,000-plus qubit system by 2027 is increasingly anchored in its ...

Detailed price information for D-Wave Quantum Inc (QBTS-N) from The Globe and Mail including charting and trades.

Quantum Computing hit major milestones in 2025, including a NASA subcontract, its first sale to a U.S. bank, the opening of its photonic chip foundry, and inclusion in the Russell indexes.

COLLEGE PARK, Md.--(BUSINESS WIRE)-- IonQ (NYSE: IONQ), a leading quantum company, today announced a significant advancement in quantum chemistry simulations, demonstrating the accurate computation of ...

Quantum computers could rapidly solve complex problems that would take the most powerful classical supercomputers decades to ...

Shares of International Business Machines Co. enjoyed their best day since January as optimism built around the company’s quantum-computing efforts. IBM announced a plan back in June to build what it ...