Private companies launching humans into space is a profound game changer. We just need to follow it to its logical conclusion.

New designs for potential single stage to orbit space planes won't replace rockets. But they could handle crews while the rockets handle cargo.

Should we take Apollo astronauts' advice and send our politicians into space to give them a sense of scale?

The left seems to believe that private space companies will be fine with sacrificing their customers for profit.

Today is the day when we look back at what we accomplished in space and ask ourselves how we can do more.

NASA is looking to fix its problems and gear up for sustainable missions. But the actual numbers leave much to be desired.

Virgin Galactic has unveiled the first prototype of SpaceShipTwo, the vehicle that will take tourists to the edge of space.

If we want regular space flights, we're going to need the same oversight of launches as we have of air travel today.

The race is on to turn spaceflight into an affordable adventure.