Scientists in the U.K. have successfully connected two separate quantum processors, paving the way for a quantum internet and, potentially, quantum supercomputers. Increasing the number of quantum ...

AI is the technology trend of the moment—but what’s 10 years down the road? Some experts say quantum computing will be the next game-changer. WSJ visited IBM’s quantum computing lab to learn why.

For decades, physicists have dreamed of a quantum internet: a planetary web of ultrasecure communications and super-powered computation built not from electrical signals, but from the ghostly ...

In the race to secure digital infrastructure against the looming threat of quantum computing, space has emerged as an indispensable theater. Satellites, once primarily vehicles for reconnaissance and ...