Featured in active galactic nuclei
Two Behemoth Black Holes, the Largest Ever Discovered, Could Swallow Billions of Suns
Good thing they are 330 million light-years away
Twin Supermassive Black Holes Found At Nearby Galaxy’s Heart
A nearby galaxy that looks like a smiley face harbors a dark secret: It has twin supermassive black holes, not...
Origin of High-Energy Cosmic Rays
For decades scientists have been speculating about the origin of ultra-high energy cosmic rays, the incredibly powerful charged particles that...