An curved arrow pointing right. Astronomers have discovered a supermassive black hole that they cannot explain. Not only is it massive, but it resides in a relatively quiet corner of outer space.

The Event Horizon Telescope, which captured the first image of a black hole, has done it again. The Earth-sized telescope ...

New research has shown that, billions of years ago, some early black holes also had to nap after overindulging. Using the James Webb Space Telescope ... black holes have outer boundaries called ...

Narrator: Black holes are some of the most powerful and violent objects in the universe. They can warp space and time and ... that there is a planet in the outer solar system, this would be ...