The race to build a quantum internet has shifted from theory to engineering, as researchers learn how to send fragile quantum signals through the same glass fibers that already carry Netflix streams ...

Silicon Valley technology titans IBM Corp. and Cisco Systems Inc. are looking beyond artificial intelligence to the next big thing: quantum computing. Today they announced plans to collaborate on a ...

One of the most complex quantum networks built to date would allow 18 people to communicate securely thanks to the power of quantum physics. The researchers behind the work say it offers a practical ...

Everyday life on the internet is insecure. Hackers can break into bank accounts or steal digital identities. Driven by AI, attacks are becoming increasingly sophisticated. Quantum cryptography ...