Add Yahoo as a preferred source to see more of our stories on Google. These clouds of radio energy are "radio relics" resulting from powerful shockwaves surging through the hot gas that fills the ...

A rare cosmic alignment has revealed three supermassive black holes blasting radio jets at the same time inside a tangled galaxy merger, turning a distant patch of sky into a natural laboratory for ...

Astronomers tracing a string of strange radio bursts from the direction of the Milky Way’s center have zeroed in on GCRT J1745-3009, a rare and still poorly understood radio transient that flares ...

In 1988, radio telescopes picked up a transient signal from 15,000 light-years away within the constellation Scutum. But it remained unnoticed for three decades. Fast-forward to today: Astrophysicists ...