Alphabet is one of the most potent competitors in the quantum computing space. It has some of the most resources of anyone competing, fueled by growing cash flows from its advertising, cloud computing ...

Quantinuum lost nearly $200 million last year, saw revenue drop the first quarter of 2026, and says its technology may never work–yet investors are clamoring to buy the stock. The quantum-computer ...

Rigetti builds superconducting quantum computers, using the same basic approach as Alphabet's Google and IBM. This gives the company's systems a few advantages: speed and scale. Rigetti just launched ...

Researchers from University of Wisconsin-Madison and AMD Research and Advanced Development published a technical paper titled ...

Microsoft’s announcement of a new quantum computing breakthrough with its Majorana 2 chip continues a trend of bold claims followed by scant evidence Microsoft claimed today that it has improved its ...

Quantum-computing researchers generally are cautious about predicting a commercial breakthrough for this emerging technology. CEOs of quantum-related companies, on the other hand, are invariably ...

Quantum computing stocks have the potential to revolutionize technological advances in an array of fields. Quantum technologies are attracting major government funding, corporate funding and Wall ...

Chinese open models like GLM-5.2 and DeepSeek-V4 now rival frontier AI at a fraction of the cost, and that could strand the ...

Honeywell's Quantinuum said on Wednesday it has raised $1.68 billion in its U.S. initial public offering after pricing shares at $60 apiece, as investors flocked to one of the market's fast-growing ...

QTUM surged 86% over the past year with direct qubit exposure, while ARKQ returned 76% through active quantum-adjacent positioning. The Department of Commerce committed $2 billion in CHIPS Act funding ...

Scientists have created a tiny chip that can generate, steer, and read light-based information all in one device, marking a major leap toward ultra-fast, energy-efficient computing. The breakthrough ...

Quantum Computing Inc. (NASDAQ:QUBT) primarily generates revenue by providing specialized software tools and application accelerators for quantum computers, focusing heavily on serving large ...