Fifty years ago, on July 20th 1969, man first walked on the moon.

At the time it was a seemingly impossible achievement. By now, many people expected humans would be regular visitors to the lunar surface and would have put their first footprints on Mars. Neither has happened.

However, in this new century all that is changing – and quickly.

Correspondent John Zarrella takes a look at the future of space exploration in the Americas and beyond.

The U.S. space agency NASA recently announced it will open the International Space Station for two private citizens to visit for up to a month each. And it’s not cheap. The visitors will pay NASA $35,000 a day for food, life support and other essentials. The ride to the station and back will cost another 50 million dollars.