One of the most important astronomical questions must be, Is there life out there? The odds are certainly in its favor - many planets are now being discovered around other stars, and there re billions of suitable parent stars in our Galaxy alone. We know that the building blocks of life - the elements carbon, hydrogen, and oxygen - are common in space. But would we recognize life if we found it? Alien life-forms might look nothing like us - consider the incredible diversity of life on Earth!
Check out what's inside and even find out how you can help search for alien life form at your home computer...
