The moon may help move space exploration to the next level.

A robot will be launched to the moon in the 2020's to look for the presence of water.

The US efforts to colonize the Moon over decades will follow the Lunar Exploration Roadmap.

A look at how to overcome the moon's lack of atmosphere and difficult terrain.

Resources on the Moon may be the determining factor in whether the next human destination in outer space is Mars or the Moon.