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.

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.

A fast radio burst detected last year has been traced to a deeply unusual source. Although most of these radio signals emanate from deep space and are no thought to be technological in origin, the ...

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 mysterious and powerful blast of radio waves detected last year, suspected to originate far beyond the Milky Way came from a long-dead NASA spacecraft in Earth's orbit.

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

(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 the sky. The ensuing ...