Designed to accelerate advances in medicine and other fields, the tech giant’s quantum algorithm runs 13,000 times as fast as ...

In the 1980s, John Clarke, Michel Devoret and John Martinis demonstrated quantum effects in an electric circuit, an advance that underlies today’s quantum computers.

Alphabet Inc.’s Google ran an algorithm on its “Willow” quantum-computing chip that can be repeated on similar platforms and ...

Google says its quantum computer achieved a verifiable calculation that classic computers cannot. The work could point to future applications.

The decades-long quest to create a practical quantum computer is accelerating as major tech companies say they are closing in on designs that could scale from small lab experiments to full working ...