Since its discovery in 1977, the Wow! Signal has puzzled radio astronomers. The Ohio State University Big Ear radio telescope found this powerful 72-second narrowband radio signal. The signal was ...

The Pentagon’s latest report makes one thing clear: Signal protects conversations, but it was never designed to safeguard U.S. war plans — and using it that way carried real risk for American forces.

A magazine journalist's account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes has raised questions about how highly sensitive information is ...

The recent bombshell lawsuit filed in San Francisco has sent ripples through the tech world, fueled by whistleblower claims that Meta’s "end-to-end encryption" might have a secret backdoor. While Meta ...