Rigetti and D-Wave are betting on very different paths to quantum supremacy.

Scientists built a quantum gate linking four-state photons, showing complex quantum tasks can be done with fewer steps using qudits.

IonQ's tech breakthroughs, big-name deals and 119% implied upside put it ahead of Quantum Computing - but both quantum ...

The collaboration of TU Wien with research groups in China has resulted in a crucial building block for a new kind of quantum computer: The realization of a novel type of quantum logic gate makes it ...

D-Wave Quantum Inc. (NYSE: QBTS), (“D-Wave”) a leader in quantum computing systems, software and services, announced ...

Researchers developed compilation-based quantum process tomography, a framework that reconstructs quantum operations using fewer measurements than conventional methods.

314% increase in usage of D-Wave Advantage2 systems in last year reflects growing demand for annealing quantum computing Accelerated gate-model roadmap targets initial gate-model system availability ...

This quantum computing stock is up triple-digit percentage points in 2025, but it could keep climbing in 2026. Strong sales momentum is pushing the stock higher, as it attracts dozens of new customers ...

IonQ stock is riding the quantum computing wave. But investors must weigh massive long-term potential against near-term risks ...

Less than 10% of D-Wave's clients are government research contracts, Alan Baratz says, proof it is offering commercially viable services.

The truth is that even the most optimistic vendor estimates for this would put very nascent stages of enterprise value toward ...