A NASA satellite that went silent nearly 60 years ago has shocked scientists by suddenly firing off one of the most powerful radio pulses ever recorded, briefly outshining the entire sky.

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

By Jacopo Prisco, CNN (CNN) — Astronomers in Australia picked up a strange radio signal in June 2024 — one near our planet and so powerful that, for a moment, it outshined everything else in ...

A satellite that had been dead for decades suddenly blasted out a powerful radio pulse that briefly outshone every other object in the sky.

So, has the long-dead satellite has suddenly sprung back to life after nearly 6 decades? Astronomers say that's unlikely. The team of astronomers discovered the strange signal while hunting for ...

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.

Astronomers in Australia picked up a strange radio signal in June 2024 — one near our planet and so powerful that, for a ...