We're still years away from practical full-scale quantum computing systems. That makes many quantum computing stocks risky.

Rigetti Computing is pushing back the commercial rollout of its new Cepheus-1-108Q machine, a move that has rattled some ...

Quantum software startup Haiqu Inc. announced today that it has raised $11 million in new funding to accelerate the launch of ...

For decades, quantum computing has been heralded as a technology of the future, promising to solve problems far beyond the reach of supercomputers. But its practical use has remained elusive. That’s ...

Rigetti sells on-premises 9-108 qubit quantum computing systems, supporting national laboratories and quantum computing centers. Rigetti's 9-qubit Novera QPU supports a broader R&D community with a ...

We might be witnessing the start of a new computing era where AI, cloud and quantum begin to converge in ways that redefine ...

D-Wave Quantum Inc., a commercial supplier of quantum computing hardware and software, today announced an agreement to ...

Quantum computing promises extraordinary power, but that same power may expose new security weaknesses. Quantum computers are expected to deliver dramatic gains in processing speed and capability, ...

The protocol removes reliance on pre-shared keys and central authorities, making it suitable for scalable smart city ...

D-Wave Quantum shares (NYSE:QBTS) surged during early trading Tuesday, after the company announced the general availability of its Advantage2 quantum computing system, which is its most advanced ...

Is QBTS seen as a high-risk, high-reward bet as an early quantum leader or a core holding for conservative portfolios?

Alphabet made a breakthrough in late 2024 with its Willow chip, which was able to exponentially reduce errors as it added ...