Life on Mars: If Past Life on Mars Existed, it Co-evolved with the Martian Environment

SETI Institute: A new article in Astrobiology, "The Coevolution of Life and Environment on Mars: An Ecosystem Perspective on the Robotic Exploration of Biosignatures," is available online today and in the January, 2018 issue. Written by Nathalie Cabrol, Director of the Carl Sagan Center for Research at the SETI Institute and SETI Institute scientist, it puts forth a proposition about possible past life on Mars. She suggests that as on Earth, where environmental change and biological evolution ar...