Researchers at Google have used their Willow quantum computer to demonstrate that "quantum contextuality" may be a crucial ...

Ripples spreading across a calm lake after raindrops fall—and the way ripples from different drops overlap and travel outward ...

IonQ holds the world record for two-qubit gate fidelity at 99.99%. No other company has crossed the 99.9% two-qubit gate ...

Despite those impressive gains, there are a few important reasons why Quantum Computing Inc., also called QCi, likely won't ...

Russia reveals a new quantum computer prototype, citing scalable architecture and qubit stability as global competition ...

The Majorana 1 quantum computer was hailed as a significant breakthrough by Microsoft, but critics say the company has yet to ...

Investor enthusiasm for the emerging technology surged last year as researchers made major technical breakthroughs ...

Quantum computing stocks are off to a good start in 2026. Here's a look at news developments that could move quantum stocks ...

A team of researchers at the University of Waterloo have made a breakthrough in quantum computing that elegantly bypasses the ...

Governments and tech companies continue to pour money into quantum technology in the hopes of building a supercomputer that can work at speeds we can't yet fathom to solve big problems.

According to the U.S. National Institute of Standards and Technology (NIST), advances in quantum computing could eventually ...

Rigetti's third-quarter earnings highlight the gravity of the challenge. Revenue fell 18% year over year to $1.95 billion, ...