Yes, they will come to take the Earth and sell it to Frieza.
there are six saiyans in all
All saiyans are pretty powerful
same way as humans
Only Saiyans can become Super Saiyans. Uub is a human.
Well... Dragonballs can grant any wish so saiyans can ask the dragon to turn them to super saiyans so it is possible
Vegeta, Goku, Raditz and Nappa (Not including the Saiyans in the DBZ movies)
No as only saiyans and half saiyans can turn super saiyans so the only way to become super saiyan is to have saaiyan blood and needs to be strong.
No.
Because that is how they were born
No, saiyans are fictional characters from the Dragon Ball series created by Akira Toriyama. They do not exist in reality.
4
The Saiyans where armor just for the look basically to show there dominence over everything else.