IonQ also set a world record for 2-qubit gate performance, a measure of accuracy and speed for quantum systems. The company ...

D-Wave Quantum shares are trading lower Wednesday afternoon, despite the company's recent completion of its acquisition of ...

Rigetti’s delay of its flagship 108-qubit Cepheus system rattled investor confidence. Is RGTI still worth buying this month?

Quantum technologies, systems that process, transfer or store information leveraging quantum mechanical effects, could tackle ...

What is the state of a quantum system? Answering this question is essential for exploiting quantum properties and developing new technologies. In practice, this characterisation generally relies on ...

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

Physicists have long treated space and time as the stage on which quantum particles perform, not as actors in the drama ...

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

When quantum spins interact, they can produce collective behaviors that defy long-standing expectations. Researchers have now ...

In an effort to bring together the domains of gravity and quantum theory, Albert Einstein and Nathan Rosen proposed a ...

Quantum mechanics is rich with paradoxes and contradictions. It describes a microscopic world in which particles exist in a ...