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

Scientists are learning to engineer light in rich, multidimensional ways that dramatically increase how much information a single photon can carry. This leap could make quantum communication more ...

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

IonQ's stock was on a roller-coaster ride in 2025.

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

And then it got me.” A handful of decades and an MIT physics doctorate later, Tan is the chief science officer (CSO) of ...

The Nvidia logo outside the company's offices in Shanghai, China, on Monday, Sept. 22, 2025. In the last two weeks, NVIDIA, the enabler and chief beneficiary of the AI craze, has bought into quantum ...

Quantum computing stocks went on a wild ride in 2025. IonQ is taking a unique approach that could set it up to win the quantum computing race. Rigetti's technology is much faster than IonQ's, but more ...

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

Two of the leading pure-play quantum computing stocks are IonQ (NYSE: IONQ) and D-Wave Quantum (NYSE: QBTS). While both stocks have enjoyed solid returns thus far this year, D-Wave has been the much ...