Opposing fountains of plasma and particles spanning 23 million light-years are the longest pair of black hole jets ever seen. That’s far enough to influence the evolution of the universe on ...

Porphyrion is not a solitary phenomenon. A citizen science initiative aimed at identifying large black hole jets has uncovered over 10,000 jets measuring around 3 million light-years or more ...

Named Porphyrion (another one of those Greek giants), these jets originate from a black hole roughly 7.5 billion light-years from Earth. And they pack quite the punch, ...