Einstein believed that black holes didn't really exist. But they do: that much we know. We don't know much else about them.

Think falling into a black hole is easy? Think again. These cosmic beasts may have gravity beyond imagination, but getting ...

Rep. Don Bacon tells "Face the Nation with Margaret Brennan" that a measure to claw back Congress' authority over trade is ...

(CNN)-- Dare to fall into a black hole and you would get ... It's fun to imagine what might happen in a black hole, but people should remember that any journey inside the event horizon is based ...

If you fell into a black hole, you might expect to die instantly. But in fact your fate would be far stranger than that. There is a difference between our chronological and biological age ...

A Michigan State University researcher saw X-rays coming from a black hole using the NASA Chandra X-Ray Observatory telescope ...

In 2003 he first formulated his fuzzball theory, which suggested that black holes had a defined - but 'fuzzy' - surface. At the time, he said that material didn't actually fall into black holes ...

Some of this glowing matter envelops the black hole in a whirling region called an accretion disk. Even the matter that starts falling into a black hole isn't necessarily there to stay.

What would happen if you were able to experience the most extraordinary ride in the universe – falling into a black hole? Where do they lead to? Try this quiz and to find out a 'hole' lot of answers ...