Unfortunately, pioneers will always pave the way with sacrifices.

The society of life on Mars, or the challenge of making Mars more livable, will have significant benefits on our attempts to modify and change in some ways the environment here on Earth.

One of the major problems with long-term deep space human flight is the requirement for radiation shielding.

The way I see it, commercial interests should manage a lunar base while NASA gets on with the really important task of flying to Mars.

There should be an international lunar base. That is certainly doable.

Program Alarm, it's a 1202.

Human rights problems will always exist for years to come, but maybe they'll lessen somewhat.