A lunar nuclear reactor may sound dramatic, but its neither illegal nor unprecedented. But it does raise critical questions ...

The first space race was about flags and footprints. Now, the new race is to build there, and doing so hinges on power.

The rivalry of the superpowers in space is entering a new phase, in which energy independence beyond Earth plays a key role.

The Moon could soon host a nuclear power source. NASA is considering installing a powerful reactor there by 2030. This ...