Rigetti's larger revenue and lower stock valuation suggests it's the better investment choice over QCi. However, the quantum ...

Identifying quantum phases of matters has quantum computers stumped and could represent a boundary to physical observation ...

Wave, and Rigetti have delivered mind-boggling returns as "Q-Day" encryption threats drive government urgency and ...

A new type of germanium superconductor could allow classical and quantum chips to be built into one device, creating better ...

The breakthrough, confirmed in Nature, pushes quantum computing from theory to real-world validation. Alphabet stock rose 1.8 ...

Alphabet Inc.’s Google ran an algorithm on its “Willow” quantum-computing chip that can be repeated on similar platforms and ...

D-Wave, IonQ, and Rigetti are deeply unprofitable. Over the past year, the first two companies burned twice as much cash as ...

Governments and technology companies are fueling an urgent, high-stakes race to develop quantum power, which promises to ...

Designed to accelerate advances in medicine and other fields, the tech giant’s quantum algorithm runs 13,000 times as fast as ...

Still, shares of Quantum Computing Inc. (NASDAQ: QUBT), which also refers to itself as QCi, have done very well. The ...

Company CEO Jensen Huang unveiled NVIDIA’s new hybrid computing architecture, NVQLink, on Tuesday, as well as the deployment ...

At its GTC DC event, the company announced major initiatives spanning quantum computing, 6G networks and “AI factories” built ...