THE UNIVERSE: Colonizing Space
A look at the efforts underway to establish permanent human colonies on the Moon and Mars; how food will be grown and waste recycled and eventually the plans to terraform Mars to make it more habitable for humans.
THE UNIVERSE: Another Earth
A look at how astronomers search for other Earth-like planets around other stars; which stars are candidates for possible discovery; and how techniques develop and the sensitivity of equipment improve will make finding another Earth just a matter of time.
Could we be unique in the universe or is there another planet similar to earth somewhere in the cosmos? Is it possible that Alpha Centauri, our nearest star, is home to another earth-like planet? Earth sized planets have been hard to find, but indirect methods are coming on line to give scientists a good survey of how many such bodies may be in the universe. How rare would it be to find life on another earth-like planet?