Astronomers detect 10 billion-year-old radio waves from a distant galaxy cluster SpARCS1049, revealing a mini-halo that suggests black holes or cosmic collisions energize galaxies.

Astronomers have detected a repeating radio signal, captured multiple times, originating from an ancient and inactive galaxy. This discovery challenges current theories about the origin of fast ...

Astronomers have traced a fast radio burst (FRB) back to its origin, and what they've found is unlike any other FRB host previously discovered. The signal appears to have come from a tiny dwarf ...

With its controversial subjects, unpredictable callers and – not least – outspoken host, Liveline (RTÉ Radio 1, weekdays) has occasionally resembled an on-air circus during Joe Duffy’s ...

Astronomers have detected fast-repeating radio bursts from a distant "dead" galaxy that should not contain the energy to produce these types of signals.