NASA Astronomers Zero In on the Number of Hidden Supermassive Black Holes

Posted on January 13, 2025

A supermassive black hole surrounded by gas and dust as seen in infrared light (top left), visible light (top right), and low- and high-energy X-rays (bottom left, right).

Researchers found far more hidden black holes than previously known, indicating plenty of behemoths lurking in thick clouds of gas and dust.