Black holes are regions in space where gravity is so strong that nothing, even light, can escape. Einstein's theory of ...

Some things in cosmology may simply be unknowable. Why is there something rather than nothing? What lies outside the universe? What is inside a black hole? That last one has been niggling at ...

A black hole does not have to begin with a dying star. In some corners of Einstein’s theory, it can start much smaller, from ...

The most massive black holes in the universe detected by the ripples they make in spacetime were not born directly from ...

The biggest black holes in the Universe may be built through chains of violent mergers deep inside crowded star clusters.

An artist's concept of a tidal disruption event (TDE), which happens when a star passes close to a supermassive black hole. The gravity of the black hole pulls material from the star and launches a ...

The Universe’s biggest black holes may not be born giants after all. Scientists analyzing gravitational-wave signals from dozens of black hole collisions found evidence that the heaviest black holes ...

When the James Webb Space Telescope sent its first high-definition infrared images back to Earth, astronomers noticed several tiny, glowing, crimson stains. These objects, quickly named “Little Red ...

Black holes are often imagined as cosmic vacuum cleaners that swallow everything nearby, but what would really happen if you ...