An early universe radio jet spanning an astonishing 200,000 light years has been discovered by the International Gemini ...

When astronomers look out into the cosmos, they see supermassive black holes (SMBH) in two different states. In one state, ...

Some galaxies eject powerful streams of charged particles—jets—from their centers into space. The prominent jet of Messier 87 ...

A newly identified quasar shows sustained growth beyond the Eddington limit, prompting new examination of accretion physics, radiation trapping and jet activity in early supermassive black holes.

For the first time, astronomers have captured radio signals from a rare exploding star, exposing what happened in the years ...