An unexpected television signal traced to an airplane led to a new method for pinpointing unwanted radio signals, as growing ...

From decades of astronomical observations, scientists know that most galaxies contain massive black holes at their centers.

Giant radio galaxies (GRGs) are massive, with plasma jets powered by supermassive black holes at their centers, stretching ...

Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years ...

At double the width of our Milky Way galaxy, this jet of radio waves is the biggest ever detected so early in the universe's ...