Imagine looking up at the night sky and learning that a black hole is racing toward Earth at nearly the speed of light. Not a ...

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 ...

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

Whenever someone talks about black holes, they almost always talk about the event horizon and the singularity. After all, that's what defines a black hole, right? Well, it depends on what you mean by ...

The nature of black holes has long been shrouded in mystery, but some astronomers believe the answers are a lot closer to home than expected. A fringe astronomical theory known as "black hole ...

Black holes are among the most extreme objects in the universe, and now scientists can model them more accurately than ever before. By combining Einstein’s gravity with realistic behavior of light and ...

A remarkably clean gravitational-wave detection has confirmed long-standing predictions about black holes, including Hawking’s area theorem and Einstein’s ringdown behavior. The findings also provide ...

Looking Up is transcribed using a combination of AI speech recognition and human editors. It may contain errors. Please check the corresponding audio before quoting in print. This transcript may ...

2025 was another big year for black holes, and here's our pick of the top black hole stories from the last twelve months. When you purchase through links on our site, we may earn an affiliate ...