As we gaze into the universe, we've discovered most galaxies have a supermassive black hole lurking near the center.

"That light circles around black holes, causing echoes, has been theorized for years, but such echoes have not yet been ...

NASA compares the universe's biggest black holes with "each other and to our solar system," in this Goddard Space Flight ...

Black holes are the universe’s shadowy figures, with many millions of them roaming unseen in our galaxy alone. These cosmic ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.