​​The robots that have previously landed on Mars share a defin | Tech Updates and News

​​The robots that have previously landed on Mars share a defining characteristic: They have wheels. And while this may be more efficient, it stops robots from exploring the Red Planet's brutal terrain that could put the bot flat on its back. But that's why SpaceBok exists—the little four-legged machine that's taking the first steps toward going places no robot has gone before.