It, seems the evidence for life on Mars is stacking up, and that evidence is often being found in strange and unusual places. Scientists were stunned when they discovered a puzzling Martian space rock on the icy continent of Antarctica, what make this rock unique is that scientist think it could contain the "first credible evidence of life on Mars". That's not the only place they are looking, with exciting Mars missions being planned this year and in 2022, we could be in for a big surprise.