Actually there are already unicorns on earth. The technical term of a unicorn is a deer with only one horn as a result of a genetic birth defect. but if you are referring to the other term 'unicorn' as in a horse with a horn on its head, then no because those do not exist.
They come from other unicorns. Orinially howrse gave them out to people so the population of unicorns can get higher.
NO BABIES DO NOT COME FROM UNICORNS!!!!!!!!!!!!!
because doctor who is the best show ever unicorns come out of my butt because that's what people(unicorns) do benedict cumberbatch is sooo awesome
Sadly, no. Dinosaurs are distinct so they will not come back to earth.
unicorns will one day take over
Unicorns are an invention of Medieval poetry. It symbolized a maiden's virginity.
magical unicorns
Ghosts come back to earth to visit their house or to do things that they didnt finish. Ghosts probably come back to visit someone that they loved.
The first unicorns came from the hearts of the true believers and the thoughts of many.
no
unicorns are purple because they eat children
Unicorns are mythical creatures that do not exist, therefore the horse which is over 65 million years old came first.