Overview of Mars

Current and Planned Rover Locations

NASA Images from Opportunity (bottom right) and Curiosity (left and top right)

Indications of Life on Mars

(All are controversial)

Seasonal shade and/or color change of darker regions on Mars
“Sinton Bands” spectroscopic evidence of organics and carbohydrates only in the darker regions of Mars
Viking Lander Labeled Release Experiment positive results (potentially showing biologic activity)
Meteorite ALH 84001 originating from Mars and found in Antarctica showing several lines of evidence indicating fossilized bacteria.
Measurements of seasonal methane changes in Mars atmosphere showing possible biologic activity
Images from rover Curiosity showing several possible indications of ancient microbial mats on Mars
Significant seasonal changes in Mars oxygen level showing possible biologic activity