ORLANDO, Fla. – It’s been more than 18 months since NASA narrowed the field of competitors vying to build the nation’s next moon rover. Ahead of an expected mid-November decision, the three teams ...

The United States' first teleoperated rover to reach the moon's surface is rolling out as a Lego model this summer, together with two futuristic vehicles inspired by real-life robotic lunar explorers.

Space exploration is perhaps the only kind of human activity where failure is not only tolerated but probably recommended. Through explosions on the launch pad, failed lift-offs, or botched landings, ...