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

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

A Canadian quantum computing start-up claims its new qubit will enable much smaller and cheaper error-free quantum computers. But getting there will be a steep challenge. To correct its own errors, a ...

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

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Parts of the IBM Quantum System Two are displayed at IBM Thomas J. Watson Research Center on ...