On April 14th, 1970, astronauts Fred Haise, Jack Swigert, and Jim Lovell are two days into the third moon-landing attempt on Apollo 13, when something goes terribly wrong.
A mission to Mars may seem like the stuff of science fiction, but NASA is working to make it a reality. But one big question remains: can the human body withstand this 34-million-mile odyssey? See how modern science is preparing today's astronauts for our next adventures into the deadly void of outer space. The experiences of our first astronauts are helping engineers create new technology to overcome the biggest obstacle to long-term space travel: our human bodies.
Access even more free Smithsonian Channel full episodes and documentaries online through participating TV providers.
Find out if your television provider carries Smithsonian Channel on air.
Don't panic! It's simple to upgrade to the latest version of one of these browsers:
Don't panic! To get the best possible experience on smithsonianchannel.com we recommend you upgrade your operating system.
For the best possible site experience, please use Chrome for Android.
Add username "SmithsonianChan" on Snapchat for fun and fascinating facts. We'll be sharing spontaneous photos and videos as inspiration strikes.