Seeds of Life: Did Mars and Earth Share a Secret?

Today, let's dive into the Mars mission Part 1. It's not likely going to be a direct trip from Earth — it'll probably launch from the Moon. We'll explore the costs, why that approach is more effective, and dig into some bigger questions: We know there's life on Mars — because we put it there. But why did it fade out? And when it comes to Earth, could life here have started the same way — with someone else planting cells?