If it explained it in great detail, why do you still see many people asking it?
Because, apparently, a lot of people don't bother to learn anything about evolution under their own steam.
Ok some apes stayed in one area and didn't evolve while others moved and evolved into humans?
No, all apes evolved, but some apes evolved into humans while other apes evolved into the other varieties of apes we see today. They didn't "stop evolving", they just evolved differently.
What made those apes move in the first place?
Environmental pressures and continental drift. Basically the same reasons populations of animals move around now. Populations of organisms tend to spread naturally over time, and it make sense that over many generations a single population of organisms can spread into two or more separate populations - each requiring its own space in which to survive, and each competing with the others for space and natural resources.
Actually science has a LOT of guesswork and theories.
Theories and guesswork aren't equivalent. In science, a theory is a well-substantiated explanation of known facts. In other words, it's an explanation we have for a given phenomenon based on the best available facts we have and repeatedly tested and verified for accuracy.
And guess what? When one other theory arises, and if it makes sense, it replaces the old one.
Actually, no. Theories are a lot more complicated than that and require demonstration - it's not just "what makes sense", it's "what best fits the available evidence and has been tested for accuracy".
So evolution theory will probably be replaced like so many other theories.
The theory of evolution won't be "replaced", it will just be refined and elaborated on. Any new discoveries or ideas that pass muster will be incorporated into the theory.
Theories are EXPLANATIONS of facts.
It's like saying entitlements are rights. They aren't the same thing, so let's stop trying to change the definition.
Nobody is trying to change the definition, and I frankly think it's incredibly hypocritical of you to argue against changing definitions of words when you clearly don't understand the scientific definitions of these words to begin with.
Sorry if it doesn't make much sense to start out as very simplistic creatures and all of a sudden becoming cavemen and all of a sudden having a concept of science and math.
You're right, it doesn't make much sense. However, it DOES make sense when you actually understand that it wasn't "all of a sudden" and actually happened over millions of years throughout countless generations.
No one has effectively tried to explained those gaps. Other than saying "lolz evolutionz didz it."
People have tried, you apparently just haven't bothered to learn anything.