IonQ holds the world record for two-qubit gate fidelity at 99.99%. No other company has crossed the 99.9% two-qubit gate ...

Quantum computing stocks cooled in 2025 after a strong early run, and many names are now well below past highs. That pullback ...

A new leap in quantum technology is changing how scientists keep qubits—quantum computing’s building blocks—ready for work. Researchers have created a tiny refrigerator that can cool qubits to lower ...

Quantum computers, systems that process information leveraging quantum mechanical effects, could soon outperform classical computers on some complex computational problems. These computers rely on ...

Overview: Quantum computing will not threaten Bitcoin, Ethereum, or crypto security in 2026 due to limited qubit power and ...

RIKEN scientists tap into AI to find a smarter method for fixing quantum errors, cutting resource demands for stable quantum machines. Theoretical physicists at RIKEN have made a key advance in ...

Quantum computing stock Rigetti Computing (NASDAQ: RGTI) had a massive day on July 16. Shares rose 30% after the firm announced, “Rigetti Demonstrates Industry’s ...

Quantum computing could represent the next secular growth trend for the tech sector. From 2025 to 2032, Fortune Business ...

AWS's first-ever quantum chip uses "cat qubits" to reduce errors exponentially as more qubits are added to a system. Scientists say it will lead to scalable and efficient quantum computers. When you ...

With a market capitalization of approximately $3.8 trillion and a robust financial position, Alphabet offers a relatively secure entry point for investors interested in quantum te ...

Amazon announced that it has created its own quantum computing chip, joining Microsoft and Google in a push to take this potentially transformative technology from the theoretical to the practical.