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Black holes, we all know, are these regions where if an object falls in, it can't get out, but the puzzle that many struggled with over the decades is, what happens to the information that an object contains when it falls into a black hole. Is it simply lost?

If you go down through the horizon of a black hole, at the center you don't find a tunnel that leads you to some other place in the universe.

A black hole really is an object with very rich structure, just like Earth has a rich structure of mountains, valleys, oceans, and so forth. Its warped space whirls around the central singularity like air in a tornado.

A big misconception is that a black hole is made of matter that has just been compacted to a very small size. That's not true. A black hole is made from warped space and time.

Black holes destroy any objects that happen to fall victim to their gravitational pull.

Do you realize that if you fall into a black hole, you will see the entire future of the Universe unfold in front of you in a matter of moments and you will emerge into another space-time created by the singularity of the black hole you just fell into?

Black holes provide theoreticians with an important theoretical laboratory to test ideas. Conditions within a black hole are so extreme, that by analyzing aspects of black holes we see space and time in an exotic environment, one that has shed important, and sometimes perplexing, new light on their fundamental nature.

There are no black holes in the sense of regimes from which light can't escape to infinity.

General relativity predicts that time ends inside black holes because the gravitational collapse squeezes matter to infinite density.

I think the end is endless. It's either a big black hole or a big white light or both together. But it's totally meaningless, because even if someone would explain it, I wouldn't understand it.