Everything seemed to indicate that it was a phenomenon from deep space. An ultra-fast radio signal, detected in Australia, ...

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

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

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

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

Around midday on June 13 last year, my colleagues and I were scanning the skies when we thought we had discovered a strange ...

After taking a closer look, however, the team realized that the only viable source for the burst was NASA’s dead Relay 2, a ...

Astronomers are puzzled by a strong burst of radio waves traced back to a NASA satellite that had been inactive since the ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing.

A faint radio glow reveals a million-light-year halo enveloping one of the earliest galaxy clusters, hinting that energetic ...

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

Some theories suggest they are produced by “magnetars” – the highly magnetised cores of massive, dead stars – or arise from ...