Science ❯ Astrophysics ❯ Galaxies

Supermassive Black Holes

Active Galactic Nuclei Galaxy Evolution Cosmic Phenomena Early Universe Ionized Gas Event Horizon Telescope Messier 87 M87* Galaxy Clusters Galaxy Mergers Accretion Disks Galaxy Dynamics

Citizen Scientists Find Most Distant, Most Powerful Odd Radio Circle With Twin Rings

Authors present evidence for a relic of past black-hole activity reshaped by superwinds in a dense cluster environment.

EHT Finds Magnetic Field Flip at M87* and Traces Jet Base in Multi‑Year Study

New Model Puts Odds of Spotting an Exploding Primordial Black Hole This Decade at Up to 90%

Supermassive Black Hole Winds Proposed as Source of Ultra-High-Energy Cosmic Rays