The technology sector has a bad habit of switching from one hot investment idea to the next.

Rigetti and D-Wave are betting on very different paths to quantum supremacy.

(Photo: An image of a quantum computer inside a high-tech facility. The computer has metallic silver and gold-coloured tubing to assist in cooling. Credit: Getty Images) ...

Two of the market’s most closely watched speculative growth names got hit hard on Tuesday. Archer Aviation (Nasdaq: ACHR) fell 10.77%, closing at $6.71 from $7.52, while Quantum Computing Inc. (Nasdaq ...

IonQ stock is riding the quantum computing wave. But investors must weigh massive long-term potential against near-term risks ...

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Experts say the emerging tech can dramatically accelerate advances in drug discovery, diagnostics and precision medicine.

A method for making quantum computers less error-prone could let them run complex programs such as simulations of materials more efficiently, thus making them more useful ...

The breakthrough addresses concerns that powerful quantum computers could eventually crack encryption standards to leave vulnerable financial systems, government communications, health data and media.

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 ...

The people who know IonQ, Rigetti, and D-Wave best are sending an unmistakable signal to investors.

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