Space exploration has always captured human imagination, and in recent decades, the possibility of colonizing another planet—particularly Mars—has moved from the realm of science fiction to serious scientific inquiry. Interest in Mars colonization has grown not just among scientists, but also among the general public, thanks to organizations like NASA and private companies like SpaceX sharing their ambitious plans. In this article, we'll delve into the timeline for human colonization of Mars as explained by NASA scientists, explore the challenges and milestones, and address common questions about humanity's possible future as a multi-planetary species.