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

Learn how a deactivated satellite sends signals from beyond, not by reviving its systems, but by inadvertently setting off ...

Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of ...

Astronomers detected a powerful radio signal from near Earth, initially believed to be from a new space object. Check what ...

First thought to have originated from a distant cosmic object, the short and intense signal was actually coming from much ...

Astronomers in Australia detected a powerful radio signal, surprisingly originating from an old, defunct satellite only 4,500 km away.

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the ...

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

A communications satellite out of commission since 1965 is chirping at the Earth in radio frequencies. What is happening? We ...

A routine check for deep space anomalies turned into a rare find much closer to home.