Saturn

NASA’s Jet Propulsion Laboratory has engineered a self-propelled, autonomous robot snake designed to explore extreme extraterrestrial terrain. Its first-of-a-kind propulsion system means it can boldly go where no robot snake has gone before.

The first flight of SpaceX's Falcon Heavy rocket is scheduled for January 31.It will be the most powerful operational booster in the world –​ at twice the capacity of its nearest rival. To get a sense of perspective, let's see how it stacks up to the granddaddy of all space rockets, the Saturn V.

Start with a Vauxhall/Opel/Chevrolet/Saturn Astra VXR, shed 100 kg by replacing metal with carbon fiber, then pump its 2.0-liter turbo engine to 297 hp, upgrade the suspension wheels, tires, gearbox and brakes to cope with the stresses, and you have the Astra VXR Extreme ... and it's street legal.