IBM CEO Arvind Krishna just made a bold quantum computing pledge that could reshape U.S. tech dominance.

On May 21, the U.S. Commerce Department announced it would give a total of $2 billion in grants to nine companies at the ...

Rigetti Computing stock exploded in May on federal funding news and a strong earnings beat.

Quantum computing, once only a theoretical possibility, promises to deliver faster, more energy-efficient computers—but only ...

Claim your complimentary copy of "Becoming Quantum Safe: Protect Your Business and Mitigate Risks with Post-Quantum Cryptography and Crypto-Agility" (worth $40) for free, before the offer ends on, Dec ...

Rigetti is making advancements, but its quantum computing systems are error-prone, and the company is burning through cash. IBM, meanwhile, is a quantum-first company supported by its legacy business.

The next great computing arms race is no longer about artificial intelligence chips and cloud servers. Quantum computing is ...

Both firms post steep losses and sky-high valuations, but their approaches to quantum hardware, and risks, differ sharply.