One of the most longstanding questions is: Do aliens really exist? Ironic that we may finally have an answer from an astronaut of all people.

Well this article means exactly what it says in the title. So scientists are trying to figure out if they can find a second Earth, and what kind of telescopes they will need to build in the future. There are two main astrologers or known as planet hunters (people who hunt planets), who are very important to this project. They are Mr. Borucki and Mrs. Baglin.