The most significant change since those 1970's experiments were conducted was the discovery of high levels of perchlorate on Mars. Perchlorate, plus abiotic oxidants, explains the Viking results and ...
Scientists may finally have a way to detect ancient life on Mars by studying microbial fossils preserved in sulfate minerals.
said in remarks to Intuitive Machines employees that missions such as today’s moon landing are about more than lunar exploration. The goal is to eventually get to Mars. NASA’s Commercial Lunar ...