The Seven Most Amazing Discoveries We’ve Made by Exploring Mars | Science
At an average of 140 million miles away, Mars is pretty much in Earth’s planetary backyard. With a well-timed launch, a rocket can reach it in less than a year. Since 1965, humankind has successfully sent over 20 missions—flybys, orbiters, landers, rovers—to survey Mars’s dusty terrains. And we’ve learned a lot about our neighbor, from …