I'd say with 100% accuracy that all humans were born here on earth.
Mars come after Earth
how did snow lopards come to earth and when.
Earth
They didn't come to earth they evolved here
from where did earth water most likly come
Earth
He has already come.
Actually mars will come close to earth on August 27th 2009!
Sadly, no. Dinosaurs are distinct so they will not come back to earth.
Yes
As far as we know, no rogue planet has ever come near Earth. Comets and asteroids have come near Earth, but not actual planets.
Since tornados are not alien they cant just come to earth so i bet they have been around since there was earth