Sept. 8 (UPI) -- NASA on Monday announced its 2026 Lunabotics challenge that seeks a team or person to create a robot able to move about and build things on the moon's surface. The challenge comes as the space agency gears up for future lunar activity as part of its Artemis program. NASA officials said its annual challenge -- held since 2010 -- is one of several student challenges associated with Artemis, and that next year's event seeks mechanical robots with an ability to construct berms out