One of the reasons SETI is hard is that we don’t know exactly what we are looking for, and part of that difficulty is that we still aren’t sure of who we are. An astronomer and an anthropologist team up to explore how cultural myopia shape what we can find in the cosmos.
The Martian winter began to grip Endeavour Crater in September, slowing Opportunity's pace. But she braved the brutal cold in Perseverance Valley and followed her commands to visually document everything in sight.
Making Mars habitable will require us to master the conversion of raw Martian materials into resources we can use to survive. Fortunately, Mars has a wealth of usable materials, making it one of the most human-habitable places in the solar system, other than Earth itself.