Rigetti Computing and IonQ are working toward quantum computing viability.

You don't have to chase unproven start-ups to benefit from quantum computing.

The vast problem-solving potential of quantum computing, along with its deep ties to artificial intelligence, health care, materials science and cybersecurity, underlines how important the industry ...

Two promising pure-play quantum computer companies to consider are D-Wave Quantum (NYSE: QBTS) and IonQ (NYSE: IONQ). The ...

Inside most photonic chips, light races through tiny optical wires. It carries information far faster than electricity can in many conventional systems. But once that light is trapped on the chip, ...

Paris-based quantum computing startup Alice & Bob has announced a stunning breakthrough in quantum computing: its qubits can now resist bit-flip errors for more than an hour. That’s four times longer ...

Quantum computers work by applying quantum operations, such as quantum gates, to delicate quantum states. Ideally, quantum ...

A Google-led research team has demonstrated a surface-code logical qubit operating below the error-correction threshold, ...

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 ...

Two popular quantum computing algorithms for problems in chemistry may have very limited use even as quantum hardware ...