SiriusXM is rolling out its first advertising-supported subscription plan aimed at drivers who don't renew after free trials ...

In recent decades, AM radio, known especially for talk radio, has faded in popularity with the arrival of the clearer but more limited reach of FM signals, in addition to streaming and satellite ...

A climber stranded at nearly 11,000 feet in the Colorado wilderness was rescued this week thanks to Apple’s Emergency SOS satellite feature.

A powerful radio signal detected in 2024 was traced to a defunct 1960s satellite ...

A NASA satellite that’s been orbiting as space junk since 1967, Relay 2, emitted an unexpected, powerful radio burst that astronomers initially struggled to explain.

Radio telescopes saw a strange burst of unknown energy in June 2024. Now we know it was from Relay 2, an early telecommunications satellite.

NASA satellite emits 'spark' decades after going dormant: Astronomers think they know why Source of the radio waves was tracked to a location that matches that of NASA’s defunct Relay 2 ...