Elon Musk has dropped another space fantasy and this time he's focusing on the Moon. The SpaceX founder wants to build a city ...

Focusing on lunar cities ahead of building a Mars colony represents a significant shift in Elon Musk’s space exploration ambitions ...

The decision appears to be rooted in the practicalities of orbital mechanics and logistics. Musk noted that while the ...

Editor's note: All opinions, columns and letters reflect the views of the individual writer and not necessarily those of the IDS or its staffers. Rovers on Mars have made exciting finds and ...