NASA's working on a wiggly snake-like autonomous Rover alternative to 'boldly go where no robot has gone before'

pcgamer.com:

NASA is currently testing an autonomous snake robot, which looks to have a lot of potential as an alternative to current Rover units. Dubbed the Exobiology Extant Life Surveyor (EELS), the project aims to create a robot that can handle much more extreme terrain than its predecessors. 

The project came to life through the «desire to look for signs of life in the ocean hiding below the icy crust of Saturn’s moon Enceladus». That's how NASA's Jet Propulsion Lab(opens in new tab) tells the story, anyway (via Universe Today(opens in new tab)).

With the difficult goal of traversing Enceladus' rough terrain set—which would involve checking for extraterrestrial life inside the vents of geysers strong enough to blast vapour into space—EELS had its work cut out. So far, that goal has birthed an extremely resilient, versatile robot that looks like it can go just about anywhere.

«There is no textbook about how to design an autonomous snake robot to boldly go where no robot has gone before. We have to write our own», says Hiro Ono, EELS principal investigator.

Right now, the prototype is 220 pounds, 13 feet long, and is propelled by screw-like segments, with a nifty grabber for a head. With features like this, NASA's wiggly, would-be pilgrim has the ability to reach spots that Rover robots could never dream of. Not only can it climb steeper slopes and cliff faces, skate across perilous ice sheets, and navigate «labyrinthine spaces within glaciers», it even has the ability to brave lava tubes.

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