There are lots of quantum computing start-ups, but IBM, America's first tech company, has led the pack since the 1970s, and is set to continue that dominance through 2026 and beyond.

These companies look poised to succeed in the long-term quantum race.

Which of these quantum computing plays has a brighter future?

IonQ works with the U.S. government and has been on a deal spree.

Nvidia isn’t building quantum computers, instead it’s using its supercomputing strengths to accelerate quantum computing ...

Amazon is boosting its quantum computing bets with Peter DeSantis, its new leader for AI models, custom silicon (semiconductor chips) and quantum computing. DeSantis is a 27-year Amazon veteran who ...

Semiconductor chips that process light rather than electricity could boost processing speeds and reduce energy use.

Scientists teleport quantum calculations between computers, paving the way for distributed quantum computing and a future quantum internet.

Simmons says that silicon quantum processors offer an inherent advantage in scaling, too. Generating numerous registers on a ...

At the heart of many quantum computers are ions held in place and manipulated with light. These qubits must be chilled near absolute zero to suppress vibration-induced errors. Traditional setups use ...

The quantum computing underdog faces tough near-term challenges.

Taxpayers are backing Sydney start-up Diraq’s ambition to become a global leader in utility-scale quantum computing.