For years quantum technology seemed exciting in theory but not much good in practice. Now the ability to combine qubits—bits ...

When quantum computers become commonplace, current cryptographic systems will become obsolete. Scientists are racing to get ...

Another reason IonQ, Rigetti Computing, D-Wave Quantum, and Quantum Computing Inc. stocks can plunge by 50% or more in 2026 ...

Researchers have demonstrated that the theoretically optimal scaling for magic state distillation—a critical bottleneck in ...

Quantum Computing Inc. ("QCi" or the "Company") (Nasdaq: QUBT), an innovative, integrated photonics and quantum optics ...

Computing firm Quantinuum has provided the hardware for many outstanding feats in quantum computing over the past few years.

Quantinuum has unveiled a third-generation quantum computer that could be easier to scale up than rival approaches.

Princeton engineers have built a superconducting qubit that lasts three times longer than today’s best versions, marking a ...

Quantum Computing reported third quarter earnings and revenue that topped consensus estimates. QUBT stock climbed on the news ...

The year isn't over yet, but we've already seen record-breaking quantum computers, skyrocketing levels of investment, and demonstrations of real-world benefits.

IonQ's $3.5 billion cash hoard buys it plenty of time to continue developing quantum computers and to invest in building out its business model over the coming years. But no, the cash alone doesn't ...

The real question for investors now is, do the fundamentals of D-Wave's business indicate that the stock still has millionaire-maker potential from here, or would this be a good time for current ...