Google’s Lunar XPrize competition, to be the first team to take a robot to the moon, looks like it will come down to a head-to-head race between two competing robots–one American, one Japanese.

While five teams were awarded prizes for achieving key milestones along the way to the final goal, two of the robots appear set to get there first, jointly commissioning the same SpaceX Falcon 9 rocket to carry them to the moon in the second half of 2016, with a race across the lunar surface determining the winner …  expand full story