Despite being “black” and a “hole”, a black hole is not a dark, empty space. In his theory of relativity, Einstein predicted how black holes are formed. When a massive star dies, it leaves a smaller, ...

What would a human see and feel while falling into a black hole? In this exclusive excerpt of his new book, "Facing Infinity," author and astrophysicist Jonas Enander tells us in terrifying detail.

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 ...

Thank your lucky stars for black holes. Mysterious, terrifying and endlessly fascinating, these extreme objects are the gravitational anchors of every large galaxy – including our own — and help ...