Add Yahoo as a preferred source to see more of our stories on Google. The ASKAP radio telescope in Western Australia picked up a powerful radio signal from a NASA satellite that stopped working in ...

NASA scientists were taken by surprise when a satellite presumed dead for nearly fifty years emitted a strong radio signal back to Earth, causing alarm and intrigue among astronomers. The satellite, ...

Astronomers in Australia picked up a strange radio signal in mid-June — one near our planet and so powerful that, for a moment, it outshined everything else in the sky. The ensuing search for its ...