Most quantum computing stocks are speculative buys, but not Alphabet.

Quantum computing may become the next big theme in the tech world. Pure-play companies and tech giants are working in this ...

IonQ’s earnings beat pushed the shares sharply higher and underscored Wall Street’s growing appetite for quantum-computing ...

A new ultra-fast monitoring system reveals that quantum computer qubits can change from stable to unstable in mere milliseconds.

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 ...

Physicist Paul Davies looks back at the past century of quantum mechanics—the most disruptive theory in the history of modern science.

The commonly used RSA encryption algorithm can now be cracked by a quantum computer with only 100,000 qubits, but the technical challenges to building such a machine remain numerous ...

The Bitcoin network took its first step towards quantum-computing resistance with the addition of BIP 360 to its repository.

Zcash co-founder Eli Ben-Sasson warns that the quantum computing threat demands urgent education and cryptographic upgrades.