The world of quantum physics is already mysterious, but what happens when that strange realm of subatomic particles is put ...

Scientists have finally unlocked a way to identify the elusive W state of quantum entanglement, solving a decades-old problem ...

Quantum mechanics theory predicts that, in addition to exhibiting particle-like behavior, particles of all sizes can also ...

The concept of quantum entanglement is emblematic of the gap between classical and quantum physics. Referring to a situation ...

Made out of a fluorescent protein, the qubit is just 3 nanometers in diameter, scientists report August 20 in Nature. By hitting the protein with laser light, tweaking it with microwaves and observing ...

Researchers have successfully used a quantum algorithm to solve a complex century-old mathematical problem long considered ...

Physicists have achieved a breakthrough by using a 58-qubit quantum computer to create and observe a long-theorized but never ...

A survey of Scientific American’s century of quantum coverage helps explain the enduring popularity of strange physics ...

In theory, quantum physics can bypass the hard mathematical problems at the root of modern encryption. A new proof shows how.

In March, D-Wave announced it performed a materials simulation using quantum technology. A few weeks later, Quantinuum published a paper in Nature detailing how it used the company’s six-qubit ...

For a century, quantum theory has passed every experimental test, but physicists can’t agree on how to use it to paint a picture of our reality – or even whether that is possible ...

The difference between traditional computers and quantum computers is narrowing in their ability to simulate the scrambling ...