When humans finally set foot on an alien world, they’ll be joined by robots. That’s not a bold prediction. It’s a statement of the obvious. Machines have already beat us to Mars and proven their worth as tireless scouts, surveyors, and sample collectors. A manned expedition will no doubt include at least one bot, if not a whole fleet of them.
What’s less obvious, though, is the form these robots will take. Some might take familiar shapes, like wheeled or tracked