I drove to a remote area south of San Francisco to put the T-Satellite beta to the test ahead of its official launch on July 23. Here's what it can do now and what's on tap for the future.

Five beta testers bring their iPhones and Galaxy devices to mobile dead zones in Alabama, Colorado, and other remote locales to try out texting on SpaceX's cellular Starlink service.

T-Mobile said on Sunday it will launch its satellite-to-cell service, powered by SpaceX's Starlink, in July for $15 a month, as the U.S. wireless carrier aims to eliminate mobile dead zones and ...