For a future quantum internet to work, scientists need to perfect a quantum repeater that can send information over long ...

Quantum theory is often sold as a story about tiny particles, but its real disruption lands squarely on our everyday sense of ...

Understanding quantum computing, from qubits science and tech breakthroughs to future quantum applications, and discovering how close we are to real-world use cases ...

Physicist Brian Cox has rarely been shy about his enthusiasm for big, difficult ideas, but his reaction to a recent quantum ...

These stocks have rewarded shareholders generously in the last few years. The underlying businesses, on the other hand, leave much to be desired.

The famous double-slit experiment brings into question the very nature of matter. Its cousin, the quantum eraser experiment, ...

Albert Einstein and Niels Bohr had an ongoing rivalry about the true nature of quantum mechanics, and came up with a thought ...

Christine Olsson / AP STOCKHOLM — John Clarke, Michel H. Devoret and John M. Martinis won the Nobel Prize in Physics on Tuesday for research into quantum mechanical tunneling. Clarke conducted his ...

For decades, physicists believed that even the strangest quantum objects had a hard limit ...

Classical computations rely on binary bits, which can be in either of the two states, 0 or 1. In contrast, quantum computing is based on qubits, which can be 0, 1, or a superposition or entanglement ...

Rigetti Computing is one of the high-flying, pure-play quantum computing stocks.

True gut feelings? Or just random chance? See what the science says.