What Evidence Do We Have for Life on Mars?

Transcript

Perseverance, the Mars 2020 rover, which is expected to land on the red planet in February of 2021. And one of its main jobs? Finding signs of ancient microbial life on Mars. But wait, haven't we already found signs? What more evidence do we need, and how much do we actually have so far? Now, before we get into actual life forms, we have to talk ab... Read More