Quantum computing is still in the early stages of development, but it has proven to be an extremely powerful tool for various applications. While most demonstrations of their efficiency are limited to ...

There are currently about 80 companies across the world manufacturing quantum computing hardware. Because I report on quantum computing, I have had a chance to watch it grow as an industry from up ...

A quantum computer has reached new heights. The first quantum computer in space is now orbiting Earth on a satellite, scientists report. Launched on June 23, the computer had to be designed to fit in ...

A gold superconducting quantum computer hangs against a black background. Quantum computers, like the one shown here, could someday allow chemists to solve problems that classical computers can’t.

IBM scientists say they have solved the biggest bottleneck in quantum computing and plan to launch the world's first large-scale, fault-tolerant machine by 2029. The new research demonstrates new ...

The original version of this story appeared in Quanta Magazine. For computer scientists, solving problems is a bit like mountaineering. First they must choose a problem to solve—akin to identifying a ...

Scientists have built a 98-qubit machine that they say performs better than any other quantum computer in the world. They've used it to gain new insights into superconducting physics. When you ...

Andrew Kessel was a breaking news writer for Investopedia until October 2025. He previously covered markets for Proactive Investors, with a focus on small-cap stocks in fintech, healthcare, mining, ...

Alphabet's Google Quantum AI has already achieved two major milestones. IonQ's quantum technology offers key advantages over rivals. IBM promises to build a powerful quantum computer by 2029. These ...

IonQ is far from profitability, but its trapped-ion technology is unique among quantum computing companies. IBM has released several powerful quantum computers and plans to invest $30 billion in its ...